Answers
Answer:
A transport protein completely spans the membrane, and allows certain molecules or ions to diffuse across the membrane. Channel proteins, gated channel proteins, and carrier proteins are three types of transport proteins that are involved in facilitated diffusion.
Related Questions
what's half of the earth
Answers
Answer:
hemisphere
Explanation:
The diagram shows Hox genes and body segments in fruit flies. Head Fruit fly embryo Thorax Hox genes Adult fruit fly Abdomen Why does the developing embryo grow wings only in the thorax segment?
a. only the cells in the thorax segment contain the genes needed to build wings
b. the genes for building wings are used first in the thorax segment, and then transcription factors block them from being used again
c. HOX genes produce transcription factors that regulate genes for wings, so they are turned on only in the thorax
d. after the wings develop in the thorax segment, HOX genes turn off those genes in the other segments
Answers
c. HOX genes are exclusively activated in the thorax because they create transcription factors that control the genes for wings.
Are there Hox genes in fruit flies?A Hox mutation in the fruit fly Drosophila can result in significant modifications, such as the addition of additional wings or the development of legs from the fly's head in place of antennae.Fruit flies are initially built up of repeating units, or segments, that resemble worms. Early in development, hox genes are activated in a number of segments.
What function does the Hox gene serve?An very evolutionarily conserved gene family is the hox genes. In bilateral species, they set the anterior-posterior body axis and control how cells grow.
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The box lists some characteristics of a plant that has adapted to conditions in Its environment. Grows in clusters and low to the ground Able to grow under a layer of snow Carries out photosynthesis at temperatures below freezing Flowers very quickly and briefly during Summer Produces small, moisture-retaining leaves To which type of environment is the plant best adapted? A. Desert Grassland Rainforest D. (ID Tundra
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Answers
How are ionic bonds formed?
Responses
A metal gives electrons to a nonmetal.
A nonmetal gives electrons to a metal.
Electrons are shared between metals.
Electrons are shared between nonmetals and metals.
Answers
Answer:
A metal gives electrons to a nonmetal.
Explanation:
Ionic bonds are formed when a metal gives electrons to a nonmetal. This creates a positive charge on the metal and a negative charge on the nonmetal. The positive and negative charges are attracted to each other, forming an ionic bond.
A scientist is testing whether light color affects plant
growth. She places three groups of plants in boxes, each
with only one color of light: red, blue, or green. She places
a fourth group of plants in natural light. Each day she
measures the plants and records their growth.
What is the dependent variable in this experiment?
OA. The color of light the plants received
B. The plants in natural light
OC. The type of plants she used
D. The growth of the plants
Answers
The dependent variable in this experiment is D. The growth of the plants.
The scientist is measuring and recording the growth of the plants each day, which is the variable that is being affected and influenced by the different colors of light. The growth of the plants is the outcome that is dependent on the variable being tested, which is the light color.The dependent variable in this experiment is the growth of the plants, as it is the outcome that is being measured and recorded. The scientist is interested in observing how the different colors of light affect the growth of the plants. By comparing the growth of the plants in red, blue, green, and natural light conditions, the scientist can analyze the impact of light color on plant growth.In conclusion, the dependent variable in this experiment is the growth of the plants. By manipulating the colors of light that the plants receive and measuring their growth over time, the scientist aims to determine the effect of light color on plant growth.
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Name the plane of action (1) and the axis of rotation (2) when transverse abduction or transverse adduction of the shoulder joint is exhibited.
Answers
Answer: (1) Frontal Plane
(2) Sagittal axis
Explanation: A shoulder joint can do an abduction, which is taking a body part away from the center line or an adduction, which is moving it towards the center line.
In anatomy, a Plane describes the axis along which a movement is made. There are 3 reference planes but for abduction or adduction, it is the frontal plane.
Frontal Plane or coronal plane is perpendicular to the ground and divides the body into dorsal, also known as posterior and ventral or anterior.
In movement, an Axis is a straight line an object or body part rotates.
A shoulder joint rotates at a sagittal axis, i.e., passes horizontally from posterior to anterior.
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Answers
Answer:
Plants have larger vacuole than animal because they need more room to store water and waste.
How is endocytosis and exocytosis different from the other types of transport?
Answers
Answer:
8
Explanation:
identify whether morphological data or amino acid sequence data are more likely to accurately present the true evolutionary relationships among the species
Answers
The findings are most properly represented by amino acid sequencing.
Because convergent evolution and potential comparable structures are not taken into consideration in morphological data, it is possible that it is inaccurate.
The amino acid sequence for the protein that a gene codes for is determined by the DNA sequence of that gene, just as words in a sentence. The DNA sequence is translated into groups of three nucleotide bases, known as codons, in the protein-coding region of a gene. In a protein, each codon designates a specific amino acid.
Proteins with comparable amino acid sequences typically carry out similar biochemical tasks, even when they are present in animals that are not closely related to one another. This is because amino acid sequence determines protein structure, and structure affects biochemical activity.
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15. List the 4 major nutrient cycles
Answers
Hope fully this helps!!
Type the correct answer in the box. Spell all words correctly.
What is a close relationship between two organisms that live together called?
The close relationship between two organisms that live together is called
Reset
Next
Answers
Answer:
symbiosis.
Explanation:
The term that you are referring to is symbiosis. (a symbiotic relationship)
Symbiosis is a proximate and often long-term interaction between two or more different biological species.
You find yourself in a place that looks perfectly symmetrical. There is no way to ddistinguish one place from another, all forces are one, the temperature is ridiculously high, and a veritable zoo of weird subatomic particles is bombarding you from all directions as the particles keep appearing and disappearing. With this perfect symmetry, there is no obvious way to define the flow of time and confusion reigns. Where are you?
Answers
Most likely, you are in the early cosmos, more particularly, in the moments immediately following the Big Bang.
What is force?The interaction between two things or between an object and its surroundings is characterized by force, a physical quantity. One way to conceptualize it is as a push or pull that one thing puts on another. Force has both a magnitude (a numerical value) and a direction, making it a vector quantity.
The universe was extraordinarily hot and dense at this time, and all the fundamental forces of existence had merged into one force. A soup of subatomic particles, such as quarks, leptons, and gauge bosons, were also present in the cosmos, and they were continually interacting and annihilating one another, creating a chaotic and unpredictable environment.
It is challenging to meaningfully quantify the passage of time in these extreme circumstances. In fact, according to some scientists, time may have "emerged" during this initial stage of the universe's creation, meaning that it only came into being as the world cooled and expanded.
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As we discover more about the human genome, we may be able to determine what individuals have the genetic tendency to be stronger or faster than others. Should we start doing genetic testing to determine if someone is a good candidate to be a firefighter, or a police officer? Why or why not?
Answers
I think it is not advisable to make genetic tests to determine a profession because an individual is also shaped by environmental factors, which are different from genetic factors.
How biological development develops an individual?An individual is the result of genetic factors and environmental conditions that work together to shape personality traits, which are the main point when choosing a profession.
The idea of select individuals for their genetic features is controversial and it is a principle for eugenics selection, which is the subject of concern for the ethical dilemma that it raises.
In conclusion, I think it is not advisable to make genetic tests to determine a profession because an individual is also shaped by environmental factors, which are different from genetic factors.
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What is the immediate result of stimulating a receptor?
A. The receptor becomes unresponsive to any stimulus.
B. The shape of the receptor cell changes.
C. The stimulus immediately becomes less intense.
D. The receptor's membrane potential changes.
Answers
The receptor's membrane potential changes are the immediate result of stimulating a receptor.
A receptor's stimulation sets off a chain of actions that eventually cause the receptor cell's membrane potential to change. A physiological reaction may result from this alteration in membrane potential because it may cause an action potential that is subsequently conveyed by a nerve fibre to the brain or other areas of the body. The other possibilities on the list do not usually happen right away after receptor stimulation.
Therefore, the correct option is D.
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You use
friction when you leave marks on paper with a
pencil “lead."
Answers
Answer:
Yes, this is true
Explanation:
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An electoron microscope is necessary for the study of ......... fill in the blanks
Answers
Answer:
subatomic particles
Explanation:
this is the ans
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A plant absorbs energy from the Sun. Where does the energy go from there? All of the energy is used by the plant. All of the energy is released as heat energy. All of the energy is transferred to primary consumers. Some of the energy is stored in the plant's tissues and the rest is released as heat energy.
Answers
All of the energy is transferred to primary consumers some of the energy is stored in the plant's tissue and rest is released as heat energy.
Photosynthesis is not a very effective process. Additionally inefficient is the transfer of energy from one trophic level to another. There is heat loss during these biological reactions.
Therefore, only a part of the sun's energy is transformed during photosynthesis into carbohydrates and subsequently plant tissue.
Additionally, only 30% of the energy in plant biomass is used by primary consumers when they eat plants.
Heat is lost from the other. The law of entropy is to blame for this.one trophic level to another. There is heat loss during these biological reactions.
Therefore, only a part of the sun's energy is transformed during photosynthesis into carbohydrates and subsequently plant tissue.
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What is necessary for social fulfillment in the three pillars of sustainability?
Answers
Social fulfillment in the three pillars of sustainability requires equity, justice, and the satisfaction of human needs.
In the context of sustainability, social fulfillment encompasses ensuring equity, justice, and meeting the basic needs of individuals and communities. The three pillars of sustainability—environmental, economic, and social—are interconnected and rely on each other for long-term success.
Social fulfillment is necessary to achieve a sustainable society. It involves promoting social equity, ensuring fair distribution of resources and opportunities, and addressing social challenges such as poverty, inequality, and discrimination. It also requires safeguarding human rights, providing access to education, healthcare, and social services, and fostering inclusive and participatory decision-making processes.Within the three pillars of sustainability, social fulfillment is crucial because it recognizes that sustainable development cannot be achieved without considering the well-being and quality of life of individuals and communities.It emphasizes the importance of balancing economic growth and environmental protection with social progress to create a more equitable and just society for present and future generations.
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The products of photosynthesis serve as substrates for aerobic respiration, while those of aerobic respiration are utilised in photosynthesis. Considering the substrates and products of these two biological processes, discuss how they feed into one another.
Answers
Photosynthesis and aerobic respiration are two essential biological processes that are intimately connected, as they provide the basis for energy flow in most living organisms. Photosynthesis is the process by which plants and some other organisms convert light energy into chemical energy in the form of organic molecules, while aerobic respiration is the process by which cells break down organic molecules to release energy in the form of ATP (adenosine triphosphate).
The products of photosynthesis, which are organic molecules such as glucose and other sugars, serve as substrates for aerobic respiration. During aerobic respiration, these organic molecules are broken down by a series of enzymatic reactions, releasing energy that is used to generate ATP. This energy is used by the cell to carry out various metabolic processes and perform work.
On the other hand, the products of aerobic respiration, which are carbon dioxide (CO2) and water (H2O), are utilized in photosynthesis. During photosynthesis, plants and other organisms take in CO2 from the atmosphere and use it, along with water and light energy, to produce organic molecules such as glucose. This process is facilitated by a group of pigments called chlorophyll, which are located in the chloroplasts of plant cells.
Therefore, the substrates and products of photosynthesis and aerobic respiration feed into one another, creating a continuous cycle of energy flow. The organic molecules produced during photosynthesis provide the energy necessary for cells to carry out aerobic respiration, while the products of aerobic respiration are used in photosynthesis to produce more organic molecules. This cycle helps to ensure that the energy needs of living organisms are continuously met and that the environment remains in balance.
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Which two groups of organisms contain members that carry out photosynthesis?
O fungi and plants
O plants and algae
O protists and fungi
O animals and algae
Answers
Answer: B. plants and algae
Explanation:
Answer:
plants and algae
Explanation:
:)
Which of the following descriptions is quantitative?
A. Blue flame
B. Long, winding road
C. Rough texture
D. 52°Fahrenheit
Answers
Select the correct answer.
Assume that you are a member of a special interest group that wants to raise taxes on certain items. Who would you present your idea to if you
wanted it to be proposed as aa bill?
OA a Supreme Court justice
OB. the president
OC. the American people
OD. a senator
OE.
a member of the House
Answers
Answer:
the senator
Explanation:
he makes the bills
are humans subject to environmental resistance in the same sense that other organisms are?
Answers
Answer:
the sum of the environmental factors (such as drought, mineral deficiencies, and competition) that tend to restrict the biotic potential of an organism or kind of organism and impose a limit on numerical increase.
An example of allele
Answers
The most common examples of multiple alleles are the coat colour of rabbits, A, B, AB and O blood groups in humans and the eye colour in Drosophila
The picture shows the elastic cartilage. Please find the correct label for the structures in the picture
1. All of the answers are correct
2.B is the neucleus of a chondrocyte
3.C is the elastic fiber
4. A is a lucuna
Answers
Answer:
postive its "C"
Explanation:
what is the function of brain hxhtojuqat
Answers
Answer: buuu
Explanation:
what is the term used for members of a population leaving an area?
Answers
The term used for population members leaving an area is "emigration." Emigration refers to leaving one's country or region of origin to settle permanently in another.
What is migration?Migration refers to moving from one place or region to another to live there permanently or temporarily. This movement can be within a country or across international borders. It can be driven by various factors, such as economic opportunities, political instability, social and cultural factors, or environmental disasters.
Why is migration important?Migration has significant social, economic, and environmental implications for the origin and destination areas, including population demographics, cultural diversity, labour markets, and natural resource use.
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Answer: Emigration
Explanation:
Mitochondrial and chloroplast genomes typically Mitochondrial and chloroplast genomes typically encode some of the proteins needed for aerobic respiration and photosynthesis, respectively, as well as ribosomal and transfer RNA. encode for ribosomal and transfer RNAs. encode all of the proteins needed for aerobic respiration and photosynthesis, respectively. encode some of the proteins needed for aerobic respiration and photosynthesis, respectively. are composed of primarily noncoding DNA.
Answers
Answer:
The correct answer is "encode some of the proteins needed for aerobic respiration and photosynthesis, respectively, as well as ribosomal and transfer RNA".
Explanation:
Most organisms have a mitochondrial or a chloroplast genome in addition to the main genomic sequence located in the cell nucleus. The genes that are located in these organelles' genome include the genes that are used directly in the mitochondrion or chloroplast , including: proteins needed for aerobic respiration and photosynthesis (for instance genes involved in oxidative phosphorylation), respectively, as well as ribosomal and transfer RNA, which serve to the translation of proteins.
1. Why are viruses considered nonliving but bacteria are considered living
Answers
Answer:
virus = non living cells bacteria = living cells
Explanation:
Most biologists say no. Viruses are not made out of cells, they can't keep themselves in a stable state, they don't grow, and they can't make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.
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Caroline .^.
Answer:
Viruses are not made out of cells, they can't keep themselves in a stable state, they don't grow, and they can't make their own energy. A bacterium, though, is alive. Although it is a single cell, it can generate energy and the molecules needed to sustain itself, and it can reproduce.
Explanation:
It is hypothesized that RNA may have evolved before DNA because RNA molecules
were the first molecules synthesized by Miller and Urey
are more important to genetic inheritance than DNA
can catalyze a variety of biologically important reactions
are found in more modern cells than are DNA molecules
Answers
Ribozymes are molecules made of Ribonucleic Acid (RNA) that can speed up chemical reactions. In ribozymes, RNA molecules exhibit catalytic activity (i.e., they act as enzymes).
It is hypothesized that RNA may have evolved before DNA because RNA molecules can catalyze a variety of biologically important reactions.The RNA world hypothesis indicates that life originated through RNA molecules that were capable of acting as genomes and RNA catalysts.This hypothesis proposes that self-replicating RNA sequences appeared before the emergence of DNA and proteins.According to the RNA world hypothesis, the combined features of RNA molecules, which can act both as genetic material (genomes) and ribozymes (i.e., catalysts), would have enabled the evolution of the early life forms on Earth.Learn more in:
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Answer: C
Explanation: 5 star if it helped you <3