In the Fluorescence Recovery After Photo-bleaching (FRAP) procedure, a non-mobile protein (eg,, one attached to the cytoskeleton) is one which Select an answer and submit.
a Produces rapid recovery of its fluorescence photo-bleached from an area of the cell.
b Produces slow recovery or no recovery of its fluorescence photo-bleached from an area of the cell.
c Is rapidly removed from an area of the cell by photo-bleaching
d Is slowly removed from an area of the cell by photo-bleaching
e Mixes rapidly with a differently labeled protein when cells expressing each protein are fused during FRAP.
Answers
In the Fluorescence Recovery After Photo-bleaching (FRAP) procedure, a non-mobile protein produces slow recovery or no recovery of its fluorescence photo-bleached from an area of the cell. So, option B is accurate.
Fluorescence Recovery After Photo-bleaching (FRAP) is a technique used in microscopy to study the movement of proteins and other molecules in living cells. It involves the use of a laser to bleach a small area of fluorescently labeled molecules within a cell, followed by monitoring the recovery of fluorescence intensity in that area over time as unbleached molecules diffuse back into it. This technique allows for the measurement of protein mobility and binding dynamics in cells.
A non-mobile protein is a protein that is attached to a structure and does not move around freely in the cell. In the context of FRAP (Fluorescence Recovery After Photo-bleaching), a non-mobile protein is one that produces slow recovery or no recovery of its fluorescence photo-bleached from an area of the cell. This is because it is attached to a fixed structure and cannot move freely to replace the bleached molecules.
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Related Questions
Which of the following statements is TRUE about death rates?
A. Infant mortality is not considered when calculating the death rate.
B. The crude death rate is the number of deaths per thousand people in the population, for a given year.
C. The crude death rate is the difference between the people that were born, and people that died, in a given year.
D.The crude death rate describes people that emigrated from a country, and are considered economically "dead" to that country.
Answers
Answer: Varies
Explanation:
The reality is that it seems like people dying is becoming higher than expected.
Student #1 is WRONG and Student #2 is CORRECT! You are student #2. Write a CER and explain how energy is passed through the ecosystem and why it is easier for grass to acquire energy than it is for a hawk.Try to use all the words in the word bank below to help you complete your open response CER. Review the RUBRIC WORD BANK: food web, the sun, food pyramid, producer, consumer, tertiary consumer, predator, autotroph, heterotroph, decomposer, predator, prey, herbivore, carnivore, omnivore.
Answers
The observation for the student #2 must starts by the claim, going to evidence, and finishing with the reasoning.
1 - Claim = To the grass (producer) is easier to acquire nergy than it is for a hawk (quartenary consumer), because the base of the food pyramid is where most of the energy of the food chain is maintained, and the producers are able to produce their own food from the natural resources in the environment;
2 - Evidence = The food web in the picture shows how the trophic levels are distribute in the ecosystem, being the food pyramid divided into: producers (autotroph organisms), consumers (primary-herbivores, secondary-omnivore, and tertiary-carnivore), predators, preys, and decomposers. The graph shows that from each levels a small quantity of energy is lost by the organisms, going from the levels with more energy (plants- that uses the sun to make photosynthesis) until the tertiary consumer (the pradator - hawk, that is a heterotroph). To have energy the plants need only to be in a good place, while the hawk have to go after preys and an environment that have a good balance between the trophic levels;
3 - Reasoning = The student #2 came to the conclusion that is much difficult for the hawk to obtain energy because of the observation of the challenges for each level tropic level being bigger and bigger. That's because the way that each organism get their food and what it eats is a determinant factor, as well the loss of energy to complete the most basic functions. Being the conclusion that the grass that just need sunlight and water have a lot less difficults and energy loss than a hawk that needs to hunt for food, survival, reprodutive needs and so on.
What is unique about the cells that are created at the end of meiosis II?
O They contain half the genetic material of their mother cells, and they become gametes.
O They contain twice the genetic material as their mother cells, and they become gametes.
O They contain twice the genetic material as their mother cells, and they become skin.
O They contain half the genetic material of their mother cells, and they become skin cells.
Answers
1. How can two individuals in the same species not be in the same population?
2. What is the capture-mark-and-release method?
3. What is a population’s biotic potential?
4. What is the struggle in a community for the same resources called?
5. State the limiting factors that can determine carrying capacity.
6. What happens to a population’s growth when it reaches carrying capacity?
Please Help!
Answers
Answer: i think G
thanks for the points
Explanation:
Bird 5110 was blank than other birds on the island, which earned him the nickname blank.target 1 of 5target 2 of 5 the song of 5110 was blank the songs of other bird species on the island.target 3 of 5 the grants performed genetic testing on 5110 and determined that he was blank for a rare allele.target 4 of 5 they also determined that he was hatched on blank.
Answers
Peter and Rosemary Grant have spent years observing, marking, and measuring the Galapagos finches and their environment. During that time, they document changes in the environment and how those changes benefit certain individuals in the population.
Grant's goal is to determine how each of the 14 species of finches evolved from a likely flying ancestor from the South American continent.
Grants genetically tested 5110 and found it was a hybrid with a mix of G.fortis and G.scandens genes.
The type of this question is fill the blank:
Bird 5110 was ____ than other birds on the island, which earned him the nickname _____.The song of 5110 was _____ the songs of other bird species on the island.The Grants performed genetic testing on 5110 and determined that he was _____ for a rare allele.They also determined that he was hatched on _____.Learn more about Grants performed in genetic at https://brainly.com/question/9908253
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Which region does the average citezin consume the most resources?
Answers
evolutionary significance of bryophytes
Answers
The bryophytes, which include mosses, liverworts, and hornworts, have significant evolutionary significance in the plant kingdom despite their relatively small size and simple structure, they played a crucial role in the colonization of terrestrial environments and the subsequent evolution of higher plants.
Here are some key evolutionary significance of bryophytes:
Adaptation to land: Bryophytes are considered some of the earliest land plants.
They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.
They developed strategies to overcome challenges such as desiccation, limited nutrients, and anchorage to the soil.
Moisture retention: Bryophytes have adaptations that enable them to retain moisture.
They possess specialized structures, such as rhizoids and mucilage, that help absorb and retain water.
This ability to retain water and survive in relatively dry environments was an important adaptation for the conquest of land.
Soil formation: Bryophytes, especially mosses, contribute to soil formation.
They can grow on bare rocks and soil, where their rhizoids aid in weathering and breaking down substrates.
Their decomposed remains also contribute organic matter to the soil, enriching its fertility.
Habitat creation: Bryophytes provide habitat and microenvironments for other organisms.
Their dense mats or cushions create shelter, moisture, and temperature buffering for a variety of organisms, including insects, small invertebrates, and microorganisms.
They contribute to the overall biodiversity and ecosystem functioning.
Reproductive strategies: Bryophytes have unique reproductive strategies. They produce spores that can disperse and colonize new habitats.
Their reproductive structures, such as gametophores and sporophytes, exhibit various adaptations that allowed for successful reproduction in terrestrial environments.
Ecological indicators: Bryophytes are sensitive to environmental changes, making them valuable ecological indicators.
Their presence, abundance, and diversity can indicate environmental conditions such as air quality, moisture levels, and habitat disturbance.
Monitoring bryophytes can provide insights into the health and integrity of ecosystems.
Overall, bryophytes played a crucial role in the evolution and colonization of land by plants.
Their adaptations, ecological roles, and evolutionary history make them important subjects of study for understanding plant evolution, ecosystem dynamics, and the colonization of terrestrial environments.
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The bryophytes, which include mosses, liverworts, and hornworts, have significant evolutionary significance in the plant kingdom despite their relatively small size and simple structure, they played a crucial role in the colonization of terrestrial environments and the subsequent evolution of higher plants.
Here are some key evolutionary significance of bryophytes:
Adaptation to land: Bryophytes are considered some of the earliest land plants.
They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.
They developed strategies to overcome challenges such as desiccation, limited nutrients, and anchorage to the soil.
Moisture retention: Bryophytes have adaptations that enable them to retain moisture.
They possess specialized structures, such as rhizoids and mucilage, that help absorb and retain water.
This ability to retain water and survive in relatively dry environments was an important adaptation for the conquest of land.
Soil formation: Bryophytes, especially mosses, contribute to soil formation.
They can grow on bare rocks and soil, where their rhizoids aid in weathering and breaking down substrates.
Their decomposed remains also contribute organic matter to the soil, enriching its fertility.
Habitat creation: Bryophytes provide habitat and microenvironments for other organisms.
Their dense mats or cushions create shelter, moisture, and temperature buffering for a variety of organisms, including insects, small invertebrates, and microorganisms.
They contribute to the overall biodiversity and ecosystem functioning.
Reproductive strategies: Bryophytes have unique reproductive strategies. They produce spores that can disperse and colonize new habitats.
Their reproductive structures, such as gametophores and sporophytes, exhibit various adaptations that allowed for successful reproduction in terrestrial environments.
Ecological indicators: Bryophytes are sensitive to environmental changes, making them valuable ecological indicators.
Their presence, abundance, and diversity can indicate environmental conditions such as air quality, moisture levels, and habitat disturbance.
Monitoring bryophytes can provide insights into the health and integrity of ecosystems.
Overall, bryophytes played a crucial role in the evolution and colonization of land by plants.
Their adaptations, ecological roles, and evolutionary history make them important subjects of study for understanding plant evolution, ecosystem dynamics, and the colonization of terrestrial environments.
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A
В
с
Which container has the least concentration of solutes?
O A
OB
О с
OD
Answers
Answer:
c
Explanation:
its c i took the test
Consider the story you just read. ALL BUT ONE of the choices below indicate that something is living. A) Living things grow. B) Seeds respond to water. C) Living things are green. D) Seeds help in reproduction.
Answers
Answer: Seeds respond to water
Explanation:
what is the resting phase of the cell cycle called?
A. Prometaphase
B. Mitosis
C. Interphase
Answers
The resting phase of the cell cycle is called interphase.
Interphase is a critical stage in the cell cycle during which the cell prepares for division by going through different activities such as growth, DNA replication, and protein and organelle production. It is the longest phase of the cell cycle and is separated into three subphases: G1 (Gap 1), S (Synthesis), and G2 (Gap 2).
The cell develops in size, synthesises RNA and proteins, and performs its regular duties during the G1 phase. The cell enters the S phase after passing through the G1 checkpoint. The DNA of the cell is reproduced during the S phase, resulting in the production of two identical copies of each chromosome.
This ensures that during cell division, each daughter cell receives a complete set of genetic material. The cell enters the G2 phase after DNA replication, where it continues to expand and prepares for mitosis.
Interphase is not a real resting phase because the cell is actively engaged in multiple cellular functions. However, because the cell is not visibly dividing at this period, it is commonly referred to as the resting phase.
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As glaciers are receding, what is happening to the crust?
Answers
Answer: The enormous weight of this ice caused the surface of the Earth's crust to deform and warp downward, forcing the viscoelastic mantle material to flow away from the loaded region.
Explanation:
Answer:
Its is rising :)
Explanation:
What are superbugs?
A. Insects that have become resistant to bug sprays.
B. Insects that have been genetically enhanced with superior abilities.
C. Bacteria that have been genetically modified to perform specific chemical functions for humans.
D. Bacteria that have become resistant to antibiotics.
Answers
Answer: D
Explanation:
Superbugs are bacteria that have developed resistance to antibiotics.
MRSA (methicillin-resistant Staphylococcus aureus) is one such superbug. It has become resistant to many antibiotics, and MRSA infections can be difficult to treat.
Purple hibiscus
Chapter 11
Pages. 222-224ff (and following): We learn that Aunty Ifeoma might lose her job as a professor at the university. Why? What is her friend’s advice? What is Aunty Ifeoma’s reply? Pages. 224-225: Why do Amaka and Obiora argue? (They argue again about the same subject on pages 231-232).
Answers
In the story "Purple Hibiscus" by Chimamanda Ngozi Adichie, Aunty Ifeoma might lose her job as a professor at the University because her name is on a list of those who have been allegedly disloyal to the University.
Aunty Ifeoma replies to the bearer of the news saying she is not paid to be loyal. She says that when she speaks the truth, it becomes disloyal. Amaka and Obiora argue again on the same subject because eventually the authorities force their way into their home, create a scene by messing up their belonging, and leave with a warning to Aunt Ifeoma to be careful.
What is the summary of Purple Hibiscus?Purple Hibiscus by Chimamanda Ngozi Adichie examines themes of religious hypocrisy, finding one's voice, and the perseverance of love via the tale of Kambili Achike, a young Nigerian lady attempting to make her place in a society plagued with war and turmoil.
The main topic of Purple Hibiscus is the search for freedom in the face of oppression. However, the story allows the reader to understand other subjects that emerge due to it, such as violence, corruption, and even religion. The novel's backdrop appropriately displays the concept of freedom.
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how is earth most likely to change in a place that experiences extensive animal activity
Answers
Answer:
Sand dunes will be formed due to deposition of sediments. Soil will loosen due to vast network of underground tunnels. Cracks will appear in rocks due to freezing and thawing of water.
Tyra created a chart that compared DNA and RNA for her science class. Tyra made a mistake while she was creating her chart. Which best identifies the mistake Tyra made?
Answers
Answer:The RNA remains in the nucleus and that dna leave the nucleus is the one that is incorrect
Rna is called the messenger dna because after it creates a copy it leave the nucleus and goes to the ribosome to make proteins while dna stays in the nucleus
Beans may be tall or short depending on one locus, and they may have long or stubby pods, depending on another locus. A tall, stubby plant was crossed with a short, long plant. The F1 plants were all tall and stubby. Which of the following PHENOTYPES do you expect to occur least often in the F2?"
a. "tall, stubby"
b. "short, stubby"
c. "short, long"
d. "tall, long"
Answers
Answer:
c. "short, long"
Explanation:
The question being described involves two different genes; one coding for beans length and the other for pod length. According to the question, beans may be tall (T) or short (t) while they can also have have long (L) or stubby pods (l).
From the phenotypic ratio result of the F1 generation, which were all tall and stubby, it is clear that tall bean (T) and stubby pods (d) are highest balloon. According to Gregor Mendel's ratio of dihybrid cross; 9.3.3:1, the least occuring phenotype, which is 1 of 16, can be "short, long".
reasons why science teachers think practical sciences is a good thing.
rubric
identify reasons 4 marks
explanation and practical example 16 marks
Answers
Science teachers consider practical sciences to be a valuable component of science education for several reasons:
Hands-on Learning: Practical sciences provide students with the opportunity to engage in hands-on learning experiences. This approach allows students to actively explore and manipulate materials, conduct experiments, and make observations.
Example: In a biology class, students may conduct a dissection of a preserved specimen to study the anatomy and structure of organisms. By physically dissecting and examining the different organs and systems, students gain a tangible understanding of the subject matter.
Application of Theory: Practical sciences enable students to apply theoretical knowledge acquired in the classroom to real-world situations. By engaging in practical activities, students can bridge the gap between abstract concepts and their practical applications, fostering a more comprehensive understanding of scientific principles.
Example: In a chemistry class, students might perform experiments to understand chemical reactions and concepts like stoichiometry. By actually mixing and observing different substances, measuring quantities, and analyzing the results, students can see how theoretical concepts translate into practical applications.
Development of Scientific Skills: Practical sciences help students develop essential scientific skills, such as critical thinking, problem-solving, observation, data analysis, and communication. Through practical activities, students learn to formulate hypotheses, design experiments, collect and analyze data, draw conclusions, and communicate their findings effectively.
Example: In a physics class, students could design and conduct an experiment to investigate the relationship between force and motion. By planning the experiment, taking measurements, analyzing the data, and presenting their findings, students enhance their scientific skills and develop a deeper understanding of physics concepts.
Engagement and Motivation: Practical sciences often increase student engagement and motivation in science education. Hands-on activities provide a more interactive and dynamic learning environment, making science more interesting and accessible to students. It can spark curiosity, promote active participation, and cultivate a sense of wonder and excitement about the natural world.
Example: In an environmental science class, students may visit a local ecosystem to conduct field observations, collect samples, and analyze the data they gather. By immersing themselves in the real environment and actively participating in the scientific process, students are more likely to be motivated and engaged in their learning.
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A scientist isolates a microbe from a contaminated water source. She thinks that the organism might be a new bacteria that is capable of surviving in the presence of lead, a heavy metal. She makes tubes of growth medium containing either no lead, 0.1 mg lead, 0.25 mg lead, 0.5 mg of lead or 1 mg of lead. She inoculates each tube with the 10 x 10e3 cells of the new organism and then incubates the inoculated medium at 37-degree Celsius. After 48 hours, she examines the tubes of medium and finds that there is no growth in any of them. However, she finds that the bacteria grew fine in a medium that did not contain any lead. She decides to repeat the experiment using lower concentrations of lead than those she used initially. what conclusion can the scientist in this scenario make from her result
1) all contaminated water contains high levels of lead and other heavy metals
2) the amount of lead used in the experiment killed the bacteria being tested
3) all experiment should be repeated three times or more
4) lead-contaminated water does not contain any bacteria at all
5) the test bacteria take more than 48 hours to grow in the laboratory when incubated at 37 degree Celsius
Answers
Answer:
2) the amount of lead used in the experiment killed the bacteria being tested
Explanation:
The bacterial colonies that women cultivate do not develop in media with these dimensions of lead.
It does not influence the number of hours or the temperature because if a group could proliferate and had the time necessary to develop the rest, it should also do so.
That is why the study should be repeated with lower lead identifications and be able to verify specifically if the hypothesis raised is correct: This group of bacteria does not grow in leaded media, either because lead has a bactericidal or bacteriostatic effect on these colonies.
How do limited abiotic resources impact the overall biotic organisms in an ecosystem?
Answers
Answer: Abiotic variables found in terrestrial ecosystems can include things like rain, wind, temperature, altitude, soil, pollution, nutrients, pH, types of soil, and sunlight. ... Limiting factors keep populations within an ecosystem at a certain level. They may also limit the types of organisms that inhabit that ecosystem.
Explanation:
In a bird population, 50 % of the individuals had white feathers, and 50% had colored feathers. Over time, it was observed that 98% of the population had colorful feathers. The rest had white feathers. How did the type of selection in this example affect the population’s biodiversity?
Directional selection did not increase the population’s biodiversity.
Stabilizing selection increased the population’s biodiversity.
Disruptive selection decreased the population’s biodiversity.
Ecosystem selection did not increase the population’s biodiversity.
Answers
The type of selection here occurred is directional selection did not increase the population’s biodiversity. The correct option is A.
What is directional selection?When those with qualities that are on one side of the population's mean survive longer or reproduce more than those on the other, this is known as directional selection.
It has been repeatedly shown in wild populations using both experimental and observational methods. Here, the colored feather population increases over the white feather bird population. So it is a directional selection.
Therefore, the correct option is A. Directional selection did not increase the population’s biodiversity.
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Answer:
The correct option is A.
Explanation:
i took the test
How does gradualism explain the evolution of different species?
New species appear as a result of small changes over a long period of time
New species appear as a result of small changes over a short period of time
New species appear as a result of big changes in a short period of time
New species appear as a result of big changes over a short period of time
Please please helpppp!!!
Answers
Answer: New species appear as a result of big changes over a short period of time
Explanation:
What is the function body system shown below?
Answers
Answer:
provide nutrients to the body
Explanation:
this is the digestive system
PLEASE ANSWER ASAP I AM BEING TIMED!!!
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EXPLAIN THIS IS A WRITTEN ANSWER
Briefly explain why fossil fuels are good sources of fuel. In other words, where does the energy come from?
Answers
Fuel economy improvements: save you money, reduce climate change, reduce oil dependence costs; and increase energy sustainability.
Place the following taxonomy terms from the broadest, most inclusive terms to the most specific and exclusive group.1. Class2. Genus3. Order4. Subphylum 5. Family6. Kingdom7. Species8. Phylum9. Domain
Answers
These taxonomy terms that help scientists to classify species, are correctly placed as follows:
Domain
Kingdom
Phylum
Subphylum
Class
Order
Family
Genus
Species
Considering the human being, we have the following as an example:
Domain: Eukarya
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Mammalia
Order; Primates
Family: Hominidae
Genus: Homo
Species: sapiens
Name the four regions of the stomach and in which region are the different gland cells found.
Answers
The four regions of the stomach are:
• Cardia
,• Fundis
,• Body
,• Pylorus
And its glands are:
• Foveolar cells: Found in Fundis, Cardia, Pylorus
,• Parietal cells: Found in Fundis and Body
,• Chief cells: Found in Fundis and Body
,• Enteroendocrine cells: Found in Fundus, Cardia and Pylorus.
Consider a field where many plants are specifically pollinated by bees. If there was a sudden increase in the population of a bee predator, such as the dragonfly, we might observe a reduction in the bee population, which would lead to reduced pollination. Select the most likely outcome of this change in the ecosystem.
Plants that were bee-pollinated will attract new insect pollinators.
Wind will pollinate plants in this area.
Bees will start to avoid this area because of predation.
The plant community will become smaller and less diverse.
Answers
Answer:
Avoid
Explanation:
because
With the increase in the population of predator, the bees population starts declining which will affect the pollination of flowers in the region. These bees try to avoid the area because of predation. Thus, the correct option is C.
What is Pollination?
Pollination is the process or act of transferring of pollen grains on to the stigma of the flower. Stigma is a part of female reproductive part of flower whereas the pollen grains are the male gametophyte of the plant. These gametes which are haploid, fuse to form the zygote which is diploid.
Pollination is favored by the pollinators. Pollinators are the different factors which transfers pollen grains to stigma. Pollinators are both biotic and abiotic. In biotic pollinators, bees are the most common species. The increase in the population of bee predators leads to reduction in the pollination. To survive, bees try to avoid this area from predators and will come back later when the number of predators decrease.
Therefore, the correct option is C.
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Which level of organization is pictured?
A. cell
B. tissue
C. organ
D. organ system
Answers
cell is the correct ans
helps organisms transport nutrients.
a.
soil
b. sap
C. water
d wind
Answers
Answer:
C. Water
Explanation:
The cells in our bodies are full of water. The excellent ability of water to dissolve so many substances allows our cells to use valuable nutrients, minerals, and chemicals in biological processes. Water's "stickiness" (from surface tension) plays a part in our body's ability to transport these materials all through ourselves.
Answer:
C. water
Explanation:
Water like blood is a means of transporting nutrients in an organism ( mostly during digestion)
do the usage of synthetic plant hormones for the modification of plant growth have any environmental implications
Answers
The usage of synthetic plant hormones for the modification of plant growth can have environmental implications.
Understanding the Effect of Synthetic Plant HormonesFactors to consider
1. Ecotoxicity: Synthetic plant hormones, if not properly regulated or used in excessive amounts, can pose risks to non-target organisms and ecosystems. They may affect the growth and development of other plants, beneficial insects, and microorganisms, potentially disrupting ecological balance.
2. Soil and Water Contamination: Improper application or disposal of synthetic plant hormones can lead to soil and water contamination. Runoff from treated fields or improper disposal of unused hormones may introduce these compounds into water bodies, potentially affecting aquatic organisms and overall water quality.
3. Resistance and Persistence: Repeated and excessive use of synthetic plant hormones can contribute to the development of resistance in target plant species. This can lead to the evolution of herbicide-resistant weed populations, requiring higher doses or different chemicals to achieve the desired effect. Moreover, some synthetic hormones may persist in the environment for extended periods, potentially impacting subsequent crops or natural vegetation.
4. Non-target Effects: Synthetic plant hormones may influence the growth and development of unintended plant species, leading to unintended consequences such as changes in biodiversity, alteration of natural plant communities, or interference with the natural ecological succession.
5. Human Health Concerns: The potential impacts of synthetic plant hormones on human health are an area of ongoing research. While these hormones are generally considered safe for use in agriculture when used according to regulations, there may be concerns related to exposure, residues, or indirect effects on food quality and safety.
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in some breeds of chicken, black feathers and white feathers are both dominant genes . individuals with a heterozygous genotype checkered with black and white feathers called erminette . if an erminette chicken is crossed with a white-feathered chicken , what are yh possible phenotypes of their offspring
Answers
Answer: I did it on paper, than scanned it.
Explanation:
