Which of the following best describes how the structure of the fluid mosaic model of the cell membrane controls the movement of substances in and out of the cell? (3 points)

Answers

Answer 1

Answer: The fluid mosaic model describes the structure of the plasma membrane as a mosaic of components —including phospholipids, cholesterol, proteins, and carbohydrates—that gives the membrane a fluid character. Plasma membranes range from 5 to 10 nm in thickness.

Explanation:

Answer 2

The option that describes the fluid mosaic model of the plasma membrane is a lipid bilayer with protein molecules dispersed within it.

It should be noted that the fluid mosaic model of the plasma membrane was proposed by Singer and Nicholson to explain the structure of the plasma membrane.

The plasma membrane is known as a fluid model because it has several types of molecules that float along the lipids. The fluid mosaic model of the plasma membrane is made up of two layers of lipid molecules where there are protein molecules dispersed within.

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Related Questions

Which infectious agents are the most similar? Why?

Answers

There are five major types of infectious agents: bacteria, viruses, fungi, protozoa, and helminths. In addition, a new class of infectious agents, the prions, has recently been recognized.

20. Which of the following is/are a base?
HCI
KOH
H20
H2SO4
NaOH

Answers

Answer:H2SO4

Explanation:

Answer:

KOH or potassium hydroxide

Explanation:

it is a very strong base reacting violently with acids

1. Summarize the phosphorus cycle? Does phosphorus go into the atmosphere?

Answers

Answer:

Phosphorus forms parts of important life-sustaining molecules that are very common in the biosphere. Phosphorus does enter the atmosphere in very small amounts when the dust is dissolved in rainwater and seaspray but remains mostly on land and in rock and soil minerals.

Electromagnetic radiation with medium wavelengths is called

????

Answers

Answer:

visible light if is medium

________is the movement of molecules from an area of high concentration to an
area of low concentration.
Exocytosis
Active Transport
Diffusion
Endocytosis

Answers

Answer:

Diffusion

Explanation:

The track star runs 100m at a rate of 10.4m/s. How long did it take to run 100m?

Answers

Answer:

Time, t = 9.62 secs.

Explanation:

Speed can be defined as distance covered per unit time. Speed is a scalar quantity and as such it has magnitude but no direction.

Mathematically, speed is given by the equation;

[tex]Speed = \frac{distance}{time}[/tex] ....equation 1

Making time the subject formula;

[tex]Time = \frac{distance}{speed}[/tex] .....equation 2

Given the following data;

Distance = 100m

Speed = 10.4m/s

Substituting into equation 2;

[tex]Time = \frac{100}{10.4}[/tex]

Time, t = 9.62 secs.

when is the earth closet to the sun

Answers

Answer:

Explanation:

January

It is all about the tilt of the Earth's axis. Many people believe that the temperature changes because the Earth is closer to the sun in summer and farther from the sun in winter. In fact, the Earth is farthest from the sun in July and is closest to the sun in January!

Below is a graph that shows the eating habits of a goldfish in an aquarium over a 2-day period. Most Active Least Actve- 9 A.M. 9 P.M 9 A.M. 9 P.M 9 A.M Monday Tuesday Which of the following conclusions is supported by the information on the above graph? OA. FIsh have a 6-hour circadian hythm. OB. Fish do not have internal responses to any natural cycles OC. Fish have a 24-hour circadian rhythm. OD. Fish have a 12-hour circadian rhythm​

Answers

Answer:

D, Fish have a 24-hour circadian rhythm.

Explanation:

Got it correct on Study Island

Answer:

i did it

Explanation:

The Moon is 240,000 miles away from the Earth. What prediction can
you make about the tides if the distance between the Earth and Moon
were to decrease?

Answers

Answer:

The closer the moon the higher the tides. The further away the moon is, the lower the tides will be

Explanation:

Answer:

The closer the moon the higher the tides. The further away the moon is, the lower the tides will be.

Explanation:


Owls (primary predators of rock pocket mice) are nocturnal visual predators that are able to distinguish effectively between dark and light colors in low-light conditions,
Which of the following best explains the relationship between coat color and predation rate in the rock pocket mouse population on the lava flow rocks with
respect to the different coat color
phenotypes?

Answers

Answer: A dark coat color provides camouflage to mice on the lava flow rocks; therefore, mice with dark coats have a lower predation rate in that habitat.

what does a endoplasmic reticulum do?

Answers

Answer: nothing

Explanation:

Answer: produce proteins for the rest of the cell to function

Explanation:

The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.

Which of the following is typically with associated with acid precipitation over a body of water?

Answers

Answer:

kk

Explanation:

A decrease in pH. Acids are proton donors which means they lower the pH of when placed into solution. pH=-log[hydronium]. I hope this helps. Let me know in the comments of anything was unclear.

I need help asap don't just post the question but also explain you're answer

Answers

Answer:

Graph B

Explanation:

As time/distance goes on it has accelerated the most.

graph a does show acceleration but it hasn't moved the most it's going down then up just a bit

where does the energy for animals needed to live come from?

Answers

Answer:

the energy that they need comes from the food they eat

Explanation:

the animals get the energy they need from food that they eat.they eat the food and the food they eat givesthem energy becuase the thing they ate has energy from what they eat so it gives their energy to the one eating it.

PLEASE HELP 40 POINTS!!! I WOULD REALLY APPRIEACTE IT AND YOU CAN ANSWER ON THIS TWIcE I PUT THIS QUESTION BEFORE FOR 50 POINTS PLS

Answers

The answer is A pls mark me brainliest

how does air pressure affect weather

Answers

Answer:

Hewo, Kiluawa (sorry if i spelled it wrong)

Explanation:

High Pressure

Basically, high pressure occurs in an area if the atmosphere over that particular area becomes heavier. As a result, the heavy air above will come down to the Earth’s surface. And the air present in that area will move away to create space for the heavy air.

Commonly, the warmer months experience high pressure. You’re more likely to enjoy a comparatively dry and stable weather pattern in those months. Besides, you’ll find the skies in high pressure areas very clear. You’ll also feel a gentle breeze there that will cool down the surrounding areas.

Low Pressure

On the other hand, the air above a low pressure area is comparatively much lighter than the air below. As the heavy air on the Earth’s surface cannot go further below, it pushes away the lighter air above. As a result, a vacuum is created on the surface level and the air in the surrounding areas rushes towards it to fill up the void space.

Meanwhile, the rising air starts to cool down and form clouds in the sky. These clouds then come down to the Earth in the form of rain. Sometimes, snow is also formed depending on the temperature of the surrounding areas.

In general, colder months of the year experiences more low pressure situations. By now, you probably can guess why. The cold air on the surface level is heavier than the air above. And these low pressure areas are the reasons behind unstable weather conditions like snow, ice, rain, storm, etc.

Hope This Helps!

Which is NOT a simple invertebrate? im giving brainliest
jellyfish
sponge
roundworm
snails

Answers

Answer:

snails the answer is D

Explanation:

mark me as brainliest please

3. The change in temperature during summer is due to
*

Answers

Answer:

The tilt of the Earth's axis

If it is nighttime in NY, where in the world is there daytime? Name a city, country, or hemisphere.

Answers

Answer:

I'm in Korea, have been my whole life.

11:03 PM

Daegu, South Korea

883.54 km²

I’m in Texas its 9:35am right now

Dina should examine
and to find historical climate data for her hometown.

Answers

Answer:

what is the question

Explanation:

give a proper question and I would be happy to help

People’s choices can have a positive or negative effect on their health. Describe one positive choice and one negative health choice a person could make. Be sure to explain how each could impact an individual’s health and, if applicable, the health of others.

Answers

People nowadays try to live a healthier lifestyle. The positive and negative choices depends on some aspects. For instance, a person with a normal weight or thin can be unhealthy . Health also includes the good amount of nutrition and exercise not only the weight. A good choice a person can make is exercise more and intake good amounts of nutrition. A bad choice is not exercising and not having adequate intake of nutrition. Some people tend to lose weight by quiting some nutrients which will have a bad effect on their health since all the nutrients are important for the body and avoiding some nutrients can cause deficiency. The best thing to do is diet on calories, a type of diet from which you can eat anything(all types of food including vegetables and fruits ) but measure your calorie intake , with this a person has a higher chance of losing weight and being healthy. Exercise too is an essential factor needed for a healthy lifestyle. If a person has a lifestyle which they need to move alot(jobs including sports etc) then you can say its enough but if not a person must do exercise at least twice or more a week for better health. Quitting smoking and drugs of course has a good effect.

I need help. Please. I'M IN A TEST
Which properties are characteristic of metalloids?

Answers

Answer:

C

Explanation:

what happens to the 90% of energy available if 10% moves on to the next trophic level

Answers

Answer:

Released as heat

Explanation:

The vast majority of energy in the ecosystem is used by the organisms to power chemical reactions in the cell.

Therefore, this energy is lost as heat when it powers metabolic processes, rather than being passed on to the next trophic level.

Which ion builds up inside the membranes of the chloroplast?​

Answers

Answer:

The innermost matrix of chloroplasts, called the stroma, contains metabolic enzymes and multiple copies of the chloroplast genome. Chloroplasts also have a third internal membrane called the thylakoid membrane, which is extensively folded and appears as stacks of flattened disks in electron micrographs.

HOPE THAT HELPED IF IT DID PLEASE GIVE ME BRAINIEST THANKS! <333 :3

A scientist is studying specialized cells that help pump blood. Which cells is she most likely studying?

A. neurons, which are a type of muscle cell

B. cardiac cells, which are a type of muscle cell

C. epithelial cells, which are a type of blood cell

D. white blood cells, which are a type of blood cell

Answers

Answer:

B. cardiac cells, which are a type of muscle cell

Answer:

B. cardiac cells, which are a type of muscle cell

Explanation:

May I have brainliest please? :)

Enzymes are considered to be
Protein lipids carbohydrates nucleic acid

Answers

Answer:

Proteins

Explanation:

Lthsjdmeksnf there fuentes then fe did fue

Answers

Answer:

nice

Explanation:

Answer:

eh ?? Puedes darme mas información

Explanation:

please help need to be done now will give brainiest and 50 points
Part 1
Draw and label your model of ATP:
























Part 2:
Draw and label your model of ADP:






















Draw and label your model of AMP:

Answers

Answer:

I drew it on a paper which I attached on the bottom

ATP is Adonine Tri-Phospate, meaning 3 phosphates, Di means 2, and AMP means 1

4. True or false. A bond that occurs when there is an equal sharing of electrons between the atoms is called
a Non-Polar Covalent Bond,

Answers

Answer:

true

Explanation:

source: google

please help (5 Stars no cap)2

Answers

Answer:

H. Nucleus

Explanation:

A nucleus is found in the cell and is responsible for heredity and cellular control.

Hope I helped.

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