The most abundant type of protein fiber in connective tissue is collagen. It appears pink under the microscope when stained with hemotoxylin and eosin.
Part 1:
Collagen is the most abundant protein in the body, making up about 25% of all proteins.
It is found in all connective tissues, including bone, cartilage, skin, tendons, and ligaments.
Collagen fibers are strong and flexible, and they provide support and structure to the body.
When stained with hemotoxylin and eosin, collagen fibers appear pink.
Part 2:
Hemotoxylin is a blue dye that stains nuclei of cells, while eosin is a red dye that stains cytoplasm and other cellular components.
When collagen fibers are stained with hemotoxylin and eosin, the nuclei of the cells that produce the collagen fibers appear blue, while the collagen fibers themselves appear pink.
This is because collagen is rich in the amino acids glycine and proline, which are both basic amino acids.
Basic amino acids bind to hemotoxylin, which is a basic dye, and this gives collagen fibers their characteristic pink appearance.
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what is a cell nucleus what are the different function of it?
Answer:
Okay, so a nucleus is a membrane-enclosed organelle in a cell.
Functions are:
1) It stores the DNA material.
2) It coordinates cellular activities ( such as cell division, just one of many)
Hope this helps!
Hey I need help really fast on this can anyone help me?
When the body sweats on a hot afternoon, the sensor, control center, and effector involved are:
Sensor: The thermoreceptors in the skin and hypothalamus of the brainControl Center: The hypothalamusEffector: The sweat glandsWhat are the sensors and receptors that contribute to sweating?Together, the sensor, control center, and effector work to regulate the body's temperature and prevent it from overheating in a hot environment.
Sensor: The thermoreceptors in the skin and hypothalamus of the brain act as the sensors in this case. These receptors detect the increase in body temperature and send signals to the hypothalamus.
Control Center: The hypothalamus, a region of the brain that acts as the control center for the body's thermoregulation, receives the signals from the thermoreceptors and activates the sweat glands.
Effector: The sweat glands, which are present in the skin, act as the effector in this case. They produce and secrete sweat onto the skin's surface, which helps to cool down the body through the process of evaporative cooling. As the sweat evaporates from the skin, it takes heat away from the body and lowers the body temperature.
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The movement of a substance against its concentration (from low to high concentration) through a carrier protein is called _____.
Select one:
a. selective permeability
b. osmosis
c. facilitated diffusion
d. active transport
The diagram shows the Sun-Earth-Moon system during a
solar eclipse.
Which two conditions must be met for a solar eclipse to occur?
A. Earth blocks sunlight from reaching part of the Moon's surface.
B. The Moon crosses through Earth's orbit during a new moon.
C. Earth crosses through the Moon's orbit during a full moon.
D. The Moon blocks sunlight from reaching part of Earth's surface.
The two conditions that must be met for a solar eclipse to occur are:
B. The Moon crosses through Earth's orbit during a new moon.D. The Moon blocks sunlight from reaching part of Earth's surface.What is a solar eclipse?A solar eclipse is a celestial event that occurs when the Moon passes between the Sun and the Earth, blocking the Sun's rays and casting a shadow on a portion of the Earth's surface. During a total solar eclipse, the Moon completely covers the Sun, revealing the Sun's outer atmosphere, or corona, which is otherwise not visible.
During a solar eclipse, the Moon passes between the Sun and the Earth, blocking the Sun's rays from reaching a portion of the Earth's surface. This can only occur during a new moon, when the Moon is positioned between the Sun and Earth, and its shadow falls on the Earth's surface.
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TIME REMAINING 51:02 Between 1940 and 1970 most scientists were already concerned about global warming. Please select the best answer from the choices provided T F
Answer:
False
Explanation:
Most scientists were not yet concerned about global warming. This was because the major issue during the period between 1940 and 1970 was global cooling with little or no attention on global warming.
However things started to change due to more pollution as a result of technological advances. Global warming started becoming a concern between 1970s and 1990s because of the increase in steady surface temperature.
Answer: FALSE
Explanation: I know I'm late but I couldn't find the answer to this question anywhere so I'm leaving it here. :)
The graph shows government spending as a percentage of GDP from 1990 to 2012.
At its peak, government spending made up about
half of GDP.
100 percent of GDP.
one quarter of GDP.
one tenth of GDP.
At its peak, government spending made up about one quarter of GDP according to the graph.
What is GDP?This is also known as Gross domestic product and it is the total market value of the goods and services produced by a country's economy during a specified period of time.
In the graph, the peak was in the region where government spending was about one quarter of GDP thereby making option C the most appropriate choice.
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why are oceanic islands such important ""natural laboratories"" illustrating darwin's principles of descent with modification?
Because of their nature, oceanic island ecosystems offer great opportunities for the study of evolution and have for a long time been recognized as natural laboratories for studying evolution owing to their discrete geographical nature and diversity of species and habitats.
What are natural laboratories?Natural laboratories are geographical or geophysical singularities that provide comparative advantages and leverage to ECs for scientific and international collaboration.
What is principle of descent with modification?The principle of descent with modification implies that each living species has disembarked with revisions or difference from other groups over time. It is the transition of traits from parent to offspring, and this view is one of the fundamental ideas behind Charles Darwin's theory of evolution
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Because of their nature, oceanic island ecosystems offer great opportunities for the study of evolution and have for a long time been recognized as natural laboratories for studying evolution owing to their discrete geographical nature and diversity of species and habitats, these are the reasons for oceanic islands such important ""natural laboratories"" illustrating Darwin's principles of descent with modification
What are natural laboratories?Natural laboratories are geographical or geophysical singularities that provide comparative advantages and leverage to ECs for scientific and international collaboration.
The principle of descent with modification implies that each living species has disembarked with revisions or difference from other groups over time. It is the transition of traits from parent to offspring, and this view is one of the fundamental ideas behind Charles Darwin's theory of evolution
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The shortening value is the ability of fats to tenderize baked good by Fats have no effect on gluten development Promoting the development of gluten Allow fats to spread into thin films. Inhibiting the development of gluten
The shortening value is the ability of fats to tenderize baked goods by d. inhibiting the development of gluten.
Gluten is a protein composite that can be found in wheat and other grains. Gluten is responsible for dough's elastic texture, which enables it to rise and keeps it in shape. In baking, gluten's existence has an impact on the finished product's texture. Gluten-free flours may be used to make gluten-free bread, cake, and other baked goods. Fats are one of the ingredients used in baked goods.
Fats have a tenderizing impact on baked goods by inhibiting the development of gluten, this is referred to as the shortening value of fats. Fats are used in baked goods to improve their tenderness and give them a finer, crumblier texture, this is especially crucial in pie crusts and other pastries. Fats also contribute to the baked good's taste and aroma. Furthermore, fats can be utilized to promote gluten development in some baked goods. The shortening value is the ability of fats to tenderize baked goods by d. inhibiting the development of gluten.
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Biomagnification is... concentration of a contaminant stays the same as you move to higher trophic concentration of a contaminant increases as you move to higher trophic level concentration of a contaminant increases as an individual grows concentration of a contaminant stays the same as an individual grows
Answer: Biomagnification refers to the process by which the concentration of a contaminant increases as you move to higher trophic levels in a food chain or food web. In other words, as organisms consume other organisms, the contaminants present in the prey accumulate and become more concentrated in the bodies of the predators.
To understand this process, let's consider an example involving a water ecosystem. Suppose a pollutant is released into the water, such as a pesticide or heavy metal. The primary producers, such as algae or aquatic plants, absorb small amounts of the contaminant from the water. As herbivorous organisms consume these primary producers, they ingest the contaminants along with their food.
Since the contaminant is not easily broken down or eliminated from the organisms' bodies, it accumulates over time. As a result, the concentration of the contaminant becomes higher in the herbivores than in the primary producers. Now, when carnivorous organisms consume the herbivores, they not only accumulate the contaminant from their own food but also from all the prey they have consumed. This leads to an even higher concentration of the contaminant in the carnivores.
Therefore, biomagnification describes the phenomenon where the concentration of a contaminant increases significantly as you move up the food chain or trophic levels. The highest concentration of contaminants is often found in top predators, such as large fish, birds of prey, or mammals, which can have adverse effects on their health and reproductive capabilities.
It's important to note that biomagnification primarily occurs for persistent and non-biodegradable contaminants that cannot be easily metabolized or excreted by organisms. These contaminants are often lipophilic (fat-soluble), which allows them to accumulate in fatty tissues and remain in the organism's body for long periods, leading to biomagnification.
Explanation:
Which of the following best describes the term transcription?
Question 1 options:
The transfer of information to a new format but in the same language.
A complete change in the message.
The transfer of information in the same format and in a different language.
Answer:
i believe it's the first one. new format but same language. cuz mRNA is literally just a copy of DNA strand, but written in a different order.
The best description for the term transcription is the transfer of information to a new format but in the same language.
The correct option is (A).
What is transcription?Transcription is a process by which the information present in the DNA is transcribed into mRNA to synthesize of protein.
Transcription is carried out in three stages:
InitiationElongationterminationThus, option (A) is correct. Transcription transfer information to a new format, but the language is the same.
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I am able to fill a glass of water to the top and it does not overflow…which property of water allows this to happen
Answer: surface tension
Explanation:
Answer:
When we fill the glass with water, we notice right away that it can go over the brim of the glass without spilling. This is because of surface tension. Surface tension holds the water together and acts against what would normally cause the water to fall – gravity – because each molecule of water is attracted to the other water molecules around it.
Explanation:
extra facts Water molecules are attracted to each other and is why you can fill a glass and as it gets to the top it will stay together to a certain point. However that stick together ability is pretty mild so when gravitational forces take effect the bonds are broken and it flows down the sides of the glass. Unfortunately, the attraction between the water molecules is only so strong. As we add coins, the amount of water spilling over the edges is getting larger and larger until the water just can’t take it anymore! Gravity is pulling on too many of the molecules for their attraction to keep them up, and the water spills down the side of the glass.What to Do. Place the glass on the saucer and fill the glass of water all the way to the brim. You’ll notice that the water hangs slightly over the top of the glass but doesn’t spill out just yet. Now, add the coins one at a time to the glass of water, dropping them in rim-first (not face down).
What was the result of the Chernobyl disaster?
A.Wildlife sanctuaries were destroyed and animals moved out of the area
B. Decrease in the amount of cancers in Russian populations
C.Excess amount of cancers were detected as a result of radioactive contamination
Answer:c
Explanation:
3. What do we call the following genotypes:
a. BB
b. Bb
с. bb
Answer its saying the words im trying to use are inapppropriatte but its the anwer srry
Explanation:
Answer:
a. (Hom)ozygous dominant
b. heterozygous one dominant allele and one recessive allele
c. (Hom)ozygous recessive
farnesyl transferase is an enzyme which catalyzes the attachment of a long hydrophobic chain to the ras protein. what do you think is the purpose of this chain and what would be the effect if the enzyme was inhibited? g
Ras is created in the cell's cytoplasm, but it can only work properly when it is affixed to the cell membrane.
What is hydrophobic, and what does it look like?Non-polar molecules that make up hydrophobic compounds repel water bodies while drawing in other neutral molecules & non-polar solvents. Alkanes, oils, and generalized fats are examples of these compounds.
How can water become hydrophobic?The polarity of water and its capacity to form potent hydrogen bonds with the other polar molecules are the two characteristics that cause hydrophobic interactions. Because of its polarity, water is able to easily create hydrogen bonds with other polar molecules, which allows it to dissolve them.
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Which organisms have the LEAST available energy? *
1.owls
2.snakes and shrews
3.grasshoppers mice and rabbits
4.grasses
Answer:
Owls
Explanation:
Owls are secondary consumers and since energy decrease from the producers to the tertiary consumers and from the options given there tertiary consumer so the higher other consumer is the secondary consumer which is the owls.
what is the difference in height between low tide and high tide on wednesday
Answer:
The high tide is an ocean wave rising regularly and the low tide is the ocean wave falling regularly.
Explanation:
(Not sure what you meant by "on Wednesday".)
Which sentence about the circumcenter of a triangle is true?
b) the circumcenter for obtuse angle lies outside the triangle and opposite to that of largest angle.
What is circumcenter?The vertices of a triangle are evenly separated from its circumcenter. Within an acute-angled triangle the circumcenter is situated inside acute triangle. The circumcenter for obtuse angle lies outside the triangle and opposite to that of largest angle. The origin and center of the triangle's circumcircle, which encircles its three vertices, are shared by the triangle's circumcenter. It is possible to make a triangle and locate its circumcenter using a compass and straight edge. In this unique case, the midway of the hypotenuse is precisely where the circumcenter of a right triangle lies (longest side).
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complete question:
Which sentence about the circumcenter of a triangle is true?
a) the circumcenter for obtuse angle lies outside the triangle and opposite to that of smallest angle.
b) the circumcenter for obtuse angle lies outside the triangle and opposite to that of largest angle.
c) the circumcenter for acute angle lies outside the triangle and opposite to that of smallest angle.
d) the circumcenter for acute angle lies outside the triangle and opposite to that of largest angle.
A magazine published an article stating that drinking water obtained from waste water is harmful for health. Why is this information most likely to be incorrect? The article does not provide a scientific basis for the information magazines do not generally publish reliable scientific information drinking water has been obtained from recycled waste water since many years scientific tests show that drinking water obtained from waste water is pure and safe
Answer:
The correct answer is - the article does not provide a scientific basis for the information
Explanation:
Generally, Magazines publish articles with reliable information and sources that are universally accepted or have a scientific basis behind the information. It is already known that wastewater is recycled and purified before making it available for drinking.
In this article, there is no scientific basis behind the information as no scientific data mentioned or ignore test and practice in use from the years which is scientifically tested.
If you know abt respiration and photosynthesis pls HELP!
Answer:
1. Respiration
2. Photosynthesis
3. Both
4. Respiration
5. Photosynthesis
6. Respiration
7. Respiration
8. Photosynthesis
9. Respiration
10. Both
11. Both
12. Photosynthesis
13. Photosynthesis
14. Respiration
15. Photosynthesis
16. Photosynthesis
17. Respiration
18. Respiration
How could membrane fluidity be maintained in human cell membranes as the temperature decreases
Answer:
"At low temperatures it increases membrane fluidity by preventing fatty acid hydrocarbon chains from coming together and crystallizing."
Explanation:
Most viewers of the sitcom, Blonde Dream, also watch Euphony, a music-based reality show, which is broadcast immediately after Blonde Dream. An ad for Savor chocolates placed during both these shows would most likely result in: duplicated reach.
Yeah, it would probably result in duplicated reach to run ads for Savor chocolates during Blonde Dream and Euphony.
As a result, the identical advertisements would be seen twice by the same people who watch Blonde Dream and Euphony, respectively.
Duplicated reachWhen the same audience is exposed to an advertisement more than once across several media or channels, this is known as duplicated reach. The same viewers who watch Blonde Dream are likely to continue watching Euphony, thus if the Savor chocolate advertisement is shown during both Blonde Dream and Euphony, the same viewers will see it twice. As a result, there may be a higher frequency of exposure, which can aid in improving brand recognition and brand awareness among viewers who are interested in the advertised goods or services.Yet, it might be more advantageous to place the advertisement during other programs that have a different viewership demographic or air at other times in order to optimize the reach of the advertising campaign.learn more about duplicated reach here
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Which of the following best summarizes photosynthesis? *
Match the following types of fossilization to the correct description.
Answer:
Personalization ---> D
Replacement ---> B
Amber ---> C
Compression ---> A
Which is a function of cyclins?
Explanation:
Cyclin is a family of proteins that controls the progression of a cell through the cell cycle by activating cyclin-dependent kinase (CDK) enzymes or group of enzymes required for synthesis of cell cycle.
you notice a strange fuzzy white colony on a plate of yellow micrococcus luteus colonies after incubation. what may have occurred during the transfer to the plate?
you notice a strange fuzzy white colony on a plate of yellow micrococcus luteus colonies after incubation because you may have left the plate complete uncovered for too long during the transfer or you may not have adequately sterile the transfer tool.
Aseptic technique is a set of standard techniques used to keep unwelcome microorganisms out of sterile solutions and cultures in the laboratory. These methods are necessary for experiments that call for developing cells. Although it is impossible to create a perfectly sterile workplace, steps including sanitizing lab surfaces, employing a Bunsen burner to create a sterile environment, and minimising exposure to germs.
A common routine procedure used in a laboratory is volume transfers utilizing sterile fluids and cultures employing equipment like serological pipettes and micro pipettors. Instruments that can transfer different, yet exact and accurate volumes are needed for a variety of experimental purposes. Serological pipettes are used in microbiology labs to generate cell cultures that need milliliter-sized media preparations, but micropipettors are crucial for molecular biology research that only require microliter-sized solutions. No matter how much liquid is being transferred or what kind of experiment is being conducted, contamination is reduced when aseptic technique is used with these devices.
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What did Dr. Goldberger do to provide evidence of the relationship between pellagra and nutrition?
Answer:
Dr. Goldberger began by seeing what would happen if he fed orphans a more complete diet (fresh vegetables, meat, and milk).
why is the human brain unique
Answer:
Like with fingerprints, no two people have the same brain anatomy, a study has shown. This uniqueness is the result of a combination of genetic factors and individual life experiences. Like with fingerprints, no two people have the same brain anatomy, a study by researchers of the University of Zurich has shown.
Bella is extremely depressed most of every day. She experiences drastic changes in appetite, has trouble concentrating, and feels exceptionally tired, but can't seem to sleep. Though she participates in activities, she finds very little to no enjoyment. Bella appears to be experiencing _______.
Answer:
The answer is "Abnormal Behavior"
Explanation:
Abnormal Behavior patterns are delegated "Mental Disorder" Mental messes include either enthusiastic pain (regularly melancholy or nervousness), fundamentally hindered working (trouble meeting duties at work, in the family, or then again in the public eye everywhere), or conduct that spots individuals in danger for individual affliction, torment, inability, or demise (e.g., self destruction endeavors, rehashed utilization of unsafe medications).
Let us additionally note that a personal conduct standard that speaks to a normal or socially proper reaction to a distressing occasion, for example, indications of loss or anguish following the passing of a friend or family member, isn't viewed as disorders, regardless of whether conduct is essentially impeded. In the event that an individual's conduct remains fundamentally impeded throughout an all-inclusive time frame, nonetheless, a determination of a psychological issue might get proper.
2. What forms the start, or bottom, of the food web at these hydrothermal
vents?
a. vent shrimp
b. yeti crabs
O c. bacteria
O d. barnacles
Which properties describe all matter?
A.being able to be seen in nature
B.having energy and temperature
C.being able to be easily measured
D.having mass and taking up space