Explain how cell membranes work work according to the fluid mosaic model
WORTH 20 POINTS

Answers

Answer 1

The fluid mosaic model explains various observations regarding the structure of functional cell membranes. According to this biological model, there is a lipid bilayer (two molecules thick layer consisting primarily of amphipathic phospholipids) in which protein molecules are embedded.


Related Questions

Individuals tend to make decisions with the elimination-by-aspects strategy as choices become more simple. Please select the best answer from the choices provided OT o F​

Answers

Answer:

false

Explanation:

hope this helps :)

It is false that individuals tend to make decisions with the elimination-by-aspects strategy as choices become more simple.

What is decision making?

The process of making choices by identifying a decision, gathering information, and evaluating alternative resolutions is known as decision making.

By organizing relevant information and defining alternatives, a step-by-step decision-making process can help you make more deliberate, thoughtful decisions.

The significance of decision making is found in how it assists you in choosing between various options.

Before making a decision, it is necessary to collect all available information and weigh its pros and cons. It is critical to concentrate on steps that can assist in making sound decisions.

The ability to choose between two or more alternatives in order to achieve the best result in the shortest amount of time.

Thus, the given statement is false.

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Suggest an experiment that could be used to determine the function of the proteins in the
plasma membrane.
HELP ASAP PLEASE!! WILL MARK BRAINLIST TO WHO FIRST ANSWERS

Answers

proteins in the plasma membranes help aid in the formation of several thihngs like muscles, hair, and amino acids which is made from transcriiption of the RNA from the DNA

Large complicated molecules crucial for cell construction and function are known as proteins. They are made up of various amino acids connected by the peptide bonds.

They are an important element of the cell layer as they carry nutrients across the membrane.

To find the function of membrane proteins tests like fluorescence recovery following photobleaching can be used to determine the mobility of the proteins.

Another method of nitrocellulose blots treatment by glutaraldehyde can be employed.

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water freely enters and leaves cells through channels by membrane proteins by

Answers

Answer:

Your answer is Osmosis

Either by protein channels or by sliding through the lipid tails of the membrane itself, water may also travel easily through the cell membrane of all cells.

EXPLAIN Make a claim about the affect urbanization has on
biodiversity. Does urbanization always decrease biodiversity? Use
evidence to support your claim and explain your reasoning. Address
the following questions in your answers
• What are the main factors that lead to biodiversity loss in urban
areas?
• How is the size of a habitat related to its biodiversity and its stability?
• Can an ecosystem in an urban area ever return to its previous state?

Answers

Answer:

Urbanization decreases biodiversity. Land development reduces the size of habitats and affects the availability of resources. Larger habitats have a greater potential for biodiversity. If some of the natural habitat is retained, the impact of urbanization may not be as destructive. Assuming human development and its resulting pollution aren’t too extensive, an abandoned urban area could return to its previous ecosystem.

Explanation:

It is found that urbanization affects the biodiversity and the relationship between them is not linear as with the increase in urbanization the area of forest keeps on decreasing which reduces the natural habitat of many species and lead to their extinction.

What affects biodiversity?

Biodiversity of an area is the total number of living organisms (species) living in a particular area. Most of the biodiversity are found in the forests as these are the natural habitats of many animal species.

The ecological studies conducted on the urbanization and biodiversity have found that the urbanization generally shows a negative impact on the biodiversity levels of an area. The relationship between biodiversity and urbanization is not always a linear relation. As the area of urban citied increases, the area of forest decreases which lead to extinction of many important species.

The forests are the natural habitat of animals, as the natural habitat decreases the biodiversity of an area also decreases which affects the stability of the forest.

An ecosystem in an urban area can be returned to a biodiversity-rich area by introducing species and making the habitat more favorable for them.

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Which of the following was the leading cause of global fossil carbon emissions in 2004?
a. petroleum
b. coal
c. natural gas
d. cement production

Answers

Answer:

The answer is a. petroleum

Explanation:

I just took the test and got it right.

The leading cause of global fossil carbon emissions in 2004 was petroleum. Thus, the correct option for this question is A.

What is Carbon emission?

Carbon emission may be defined as the process of liberation of greenhouse gases like carbon dioxide and/or their precursors into the atmosphere over a specified area and period of time. These emissions are significantly contributing to climate change across the world.

When it comes to the global fossil carbon emissions in 2004, the major cause of that was due to petroleum. During that time, people utilize a large amount of petroleum in burning activities. This stimulates the rate of carbon emission in the entire atmosphere which is harmful to the health of living organisms.

Therefore, the leading cause of global fossil carbon emissions in 2004 was petroleum. Thus, the correct option for this question is A.

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Wind, humidity, and rocks are all ____________________in a terrestrial ecosystem.

Answers

Answer:

Abiotic factors

Explanation:

Abiotic factors in an ecosystem this is because they are not alive.

The fossils of a few organisms are shown below. The first image is a bird, the second image is a dinosaur, and the third image is an Archaeopteryx. The dinosaur fossils were obtained from the lower sedimentary layer, and Archaeopteryx was found above it. The fossils of the bird were found on the topmost layer, which suggests that they’re the_____ . This information also suggests that Archaeopteryx _______.
-21 POINTS-

Answers

Answer:

They're the Youngest. This information also suggests that Archaeopteryx was once thought to be the oldest known fossil bird.

Explanation:

Hope this helps.

Based on the principle of superposition, we can conclude that the topmost layer is the youngest. Hence, the fossil of birds is the youngest, while Archaeopteryx is younger than dinosaur fossil.

According to the principle of superposition, sedimentary deposits are layered such that, the oldest layer is at the bottom and the youngest is the topmost layer.

Hence, dinosaur fossil are the oldest, followed by Archaeopteryx, then birds.

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An energy-rich organic compound needed by organisms is:
(1) water
(2) oxygen
(3) salt
(4) glucose

Answers

Answer: (4) glucose

full form of SODIfull form of s o d i ​

Answers

Answer: She Omlet dinner ireland

Explanation:

what kind of bond forms when atoms in a molecule do not share their electrons equally

a. an ionic bond
b. a metallic bond
c. a polar bond
d. a hydrogen bond

Answers

Answer:

A polar bond

Explanation:

Ionic bond don't share but one atom accepts electron while the other gives away electron Metallic bond are held by metals and they contribute their outer valency electrons to the electron cloud thus making them positive A polar bond deals with the share of unequal electron (I.e. Covalent polar bond) A hydrogen bond is covalently bonded to highly electronegative elements of small atomic size

What is the process by which carbohydrate molecules are formed?

Answers

Answer:

photosynthesis

Explanation:

Carbohydrates are formed in green plants by photosynthesis, which is the chemical combination, or "fixation", of carbon dioxide and water by utilization of energy from the absorption of visible light. The overall result is the reduction of carbon dioxide to carbohydrate and the formation of oxygen:

A dromedary is an animal that can travel for many days without drinking water. You would expect to find the dromedary in a ____________________ biome. a. temperate c. deciduous forest b. desert d. tundra

Answers

Answer:

A dromedary is an animal that can travel for many days without drinking water. You would expect to find the dromedary in a (C) : Desert Biome.

B: Desert biome. Desert usually don't have a lot of water resources, so it would make sense for animals there to be able to adapt to it.

What are these called? EcoRI, BamHI, HindIII?

Answers

Answer:

Restriction enzymes

Explanation:

I put Biology but it is actually Astronomy.

Drag each tile to the correct box. Not all tiles will be used.

The presence of liquid water on Earth is an important factor in moderating the planet’s temperature. Place the tiles in the correct order to explain how water regulates the planet’s temperature.

1. Heat released by water prevents Earth from freezing at night.

2. Daytime temperature remain moderate.

3. Water absorbs solar radiation during the day.

4. Water absorbs heat from the land during the day.

5. At night, water releases heat.

What is the correct order?


**please help me im stuck thx**

Answers

Answer:

It goes in order like this:

1. Water absorbs solar radiation during the day.

2. Daytime temperatures remain moderate.

3. At night, water releases heat.

4. Heat released by water prevents Earth from freezing at night.

I hope this helps! :)

The correct order to explain how water regulates the planet’s temperature is as follows:

Water absorbs solar radiation during the day.Daytime temperatures remain moderate.At night, water releases heat.The Heat released by water prevents Earth from freezing at night.

What is Solar radiation?

Solar radiation may be defined as a type of electromagnetic radiation which is constantly emitted from the sun. Such type of radiation can be captured and transformed into useful forms of energy, such as heat and electricity through the utilization a variety of technologies.

The process of regulating the temperature initiates with the absorption of solar radiation during the daytime, due to this, the temperature of the daytime remains moderate.

This absorbed radiation at night time liberates heat. This liberated heat at night prevents the water to freeze for this specific duration.

Therefore, the correct order to explain how water regulates the planet’s temperature is briefly mentioned above.

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How many different types of substrates can enzymes react with?

Answers

Answer:

In some reactions, a single-reactant substrate is broken down into multiple products. In others, two substrates may come together to create one larger molecule

Explanation:

Featured snippet from the web:
There may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. In some reactions, a single-reactant substrate is broken down into multiple products. In others, two substrates may come together to create one larger molecule.

True or false: Large molecules called monomers are made of smaller subunits called polymers. A True B False​

Answers

Answer: True!

Reason: Because monomers are long chains of reapeating subuints in Polymers

The statement, large molecules called monomers are made of smaller sub-units called polymers is false.

Polymers are macromolecules formed by agglomeration of small molecules called monomers. Monomers are very small molecules which can join together to form long chains.

The subunits of polymers are monomers. Hence, the statement, large molecules called monomers are made of smaller sub-units called polymers is false.

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What sort of overall charge will this atom of phosphorus have?

Answers

Answer:

negative

Explanation:

Tha last shell has 5 in its valency

It needs to gain in order to reach a full outer shell

Viruses are the smallest living organisms. True or false

Answers

Answer:

I believe it's true.

Answer:

true

Explanation:

viruses are an living organism and appear to be the smallest living organisms compared to any other organisms .

-The analysis of data gathered during a particular experiment is necessary in
order to
*

Answers

Answer:

arrive at a conclusion

Explanation:

The analysis of data gathered during a particular experiment is necessary in order to arrive at a conclusion that will address the aim of the experiment.

Without data analysis, valid conclusions about the experiment cannot be made and what the experimenter would have is just raw data that cannot say or answer anything about the experiment.

The data collected from experiments can be analyzed in two ways:

Descriptive data analysis Inferential data analysis

In descriptive data analysis, the collected data is summarized, arranged, or described in such a way that a pattern can be seen at a glance. It includes tables, charts, histograms, etc.

In inferential data analysis, the collected data is treated in such a way that an inference can be arrived at based on the study. This includes testing for a significant difference between means, testing for the goodness of fits, correlations, etc.

Which conclusion should the student draw from the data in the table above?


Sound travels faster through gases than through solids
Sound travels faster through gases than through solids

Sound travels faster through solids than through gases
Sound travels faster through solids than through gases

Sound travels faster through liquids than through solids
Sound travels faster through liquids than through solids

Sound travels faster through gases than through liquids

Answers

We need to see the table

Damage to the Golgi apparatus would disrupt which of the following processes?

Answers

Answer: Without Golgi apparatus there would also be no way for the cell to produce various amounts of macro-molecules or transport enzymes out of the cell. I don't really know how else to answer it, sorry if this didn't help.

Which piece of evidence suggests that Africa and South America formed Gondwanaland 200 million years ago? coal fields a shared ocean folded mountains land formations created by glaciers

Answers

Answer:

C, Folded Mountains

Explanation:

your welcome

Answer:

folded mountains

Explanation:

Four children pull on the same stuffed toy at the same
time, yet there is no net force on the toy. How is this
possible?

Answers

Answer:

The forces the children are exerting on the object balanced one another.

Explanation:

Equal forces acting on an object in opposite directions.

Hope this helps!

Answer:

Sample Response: Forces are either positive or negative vectors, depending on the direction in which the force is acting. The net force is the sum of all of the forces acting on an object. If the children pull on the toy with the same force in opposite directions, the forces will be perfectly balanced and cancel out, leaving a net force of zero.

Explanation: :)

How would you slow a herd down

Answers

If its a herd of caddle or bulls, Somone on a horse would be riding next to the herd slowing turning the herd back to where they belong

Answer:

capture the leader of the herd, or cut them off.

Explanation:

the herd will follow their leader, so if you control the leader then you control the heard; if the herd doesn't have a leader or you cannot control the leader, then cut them off by blocking their way until they are going in the direction you want them to or have stopped.

what type of event can disrupt the energy cycle

Answers

Answer:

Climate change is disruptive because humans have adapted to a narrow range of environmental conditions.

HOPE THIS HELP YOU!!! ;)))

What can help a scientist identify any object in a group of objects? O the object's size the object's colors O the object's characteristics O the object's shape Mark this and return Save and Exit Next Subinit​

Answers

Answer:

c

Explanation:

took the test

Answer:

C(the object's characteristics)

Explanation:

name the two ways in which plants reproduce

Answers

Answer:

asexual and sexual.

Explanation:

In plants there are two modes of reproduction, asexual and sexual. There are several methods of asexual reproduction such as fragmentation, budding, spore formation and vegetative propagation. Sexual reproduction involves the fusion of male and female gametes.

A certain element exists at room temperature as a brittle solid. When tested, it is a poor conductor of electricity. This element is most likely classified as —

Answers

the answer is Nonmetal

Why would evidence of cholera in people living side by side, differing only in water supply, provide critical evidence ?

Answers

Answer:

its important for study as to help define the source of cholera

Explanation:

how do giraffes respond to stimuli

Answers

Giraffes have a compensatory precision in their movements, so that although it takes longer for them to respond to stimuli, they might do it more accuracy. The move fiber in a given nerve, the more fine-tunes a response to stimuli.
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