When proteins help transport molecules in and out of the cell, it is called _____.

passive diffusion
facilitated diffusion
active transport
endocytosis and exocytosis

Answers

Answer 1

Answer:answer is active transport

Explanation:


Related Questions

the function of mitochondria is

Answers

hope this helps

Answer:

Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate

which of the following makes its gravitational pull increase ?

Answers

Answer: The mass decreases

Explanation:

Which of the following is a true statement about skepticism?

Answers

Answer:

We’ve come to use the word “skepticism,” in our society, most often, to express doubt in new or “far out” ideas.   Originally, in ancient Greece, skepticism was the philosophy of questioning all claims, religious, ethical, scientific, or otherwise.

Explanation:

This is what I got from searching

How are data from a scientific experiment used?

A. As proof a hypothesis is true

B. As the answer to a scientific question

C. As evidence for a conclusion

D. As a guiding question for designing an experiment

Answers

I believe the answer is C
The data from a scientific experiment used  As evidence for a conclusion.Conclusion is derived after the experiment is performed.This may or may not support a hypothesis but the significance of the study and future research.

What is scientific experiment?It is a procedure that is performed to conclude a hypothesis.It provide an insight into the cause and effect by demonstrating what outcomes when a particular factor is manipulated.

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Which of these is true for a fertilized egg?
O
A. It has DNA from both parents.
O B. It has a haploid number of chromosomes. .
O C. It has DNA but no chromosomes.
O D. It has too many chromosomes until it splits.

Answers

A it has dna from both parents

Genotypes are the genes of an organism with alleles represented by letters of the alphabet. Phenotypes are an organism's observable inherited characteristics.

True or False?

Answers

Answer:

True

Explanation:

This is correct for both Genotypes and Phenotypes.

Answer:

True

Explanation:

Genotype is been represented by the letters of a certain gene

and Phenotype is the physical look of an organism

What are the scientists doing incorrectly? What could they do to make their work in the lab safer? Why is it important to follow these procedures? Part A

Answers

Answer:

Part A

The scientists threw away their instructions. They should have kept their instructions to properly and safely follow all procedures. Following instructions also ensures useful experimental results.

Part B

The scientist is not wearing safety goggles. He should wear goggles during activities that can harm his eyes. Working safely to avoid injury is every scientist’s job.

Part C

The lab area is messy and needs better organization. The scientist should carefully store the test tubes that aren’t being used. A clean work area helps scientists work safely and efficiently to avoid costly accidents.

Part D

The scientist is disposing of dangerous materials incorrectly. He should have followed disposal instructions as described in the lab procedure. Improper disposal can pollute the environment, harm fragile wildlife, and damage facilities. Scientists must be environmentally responsible.

Part E

The scientist didn’t clean up after an accident. He should have disposed of the glass immediately after it broke rather than waiting. Accidents create hazards for scientists and those around them.

Part F

Scientists should not eat or drink in a lab area. They could swallow something harmful or foul. Snacks and meals should be eaten during designated breaks and never near the lab area.

Explanation:

Plato

Write a short paragraph (3- -4 sentences) to compare TWO different locations in the world. You should focus on the type of precipitation and the reason(s) why it is different. Make sure to mention the names of your chosen locations and the type of precipitation experienced in your comparison.

Answers

Answer:

i would write about a well economically developed country like " USA, China, Japan or Germany" Vs a badly developed country like "Fiji , Peru , South Africa" its easy to research these places :)

Explanation:

good luck champ

The enzyme choline acetyltransferase catalyzes the reaction between acetyl-CoA and choline resulting in the formation of the neurotransmitter acetylcholine. This enzyme is produced within the cell body of neurons, but the synthesis of acetylcholine occurs within the axon terminals. What best describes the axonal transport mechanism associated with this process?

Answers

Answer: Anterograde direction.

Explanation:

Choline acetyltransferase is an enzyme made in the body of a neuron and that needs to be transferred to the axon terminal to perform its function. Its function is to bind acetyl-CoA to choline to form the neurotransmitter acetylcholine.

The movement toward the cell body is called retrograde transport and the movement toward the synapse is called anterograde transport. So, since it is produced in the body of the cell and it has to go to the axon terminals, the choline acetyltransferase is transported in the anterograde direction.  

This type of transport is responsible for the movement of organelles such as mitochondria, lipids, synaptic vesicles, proteins from a neuron cell body through the cytoplasm of its axon called the axoplasm. Because axons can sometimes be meters long, neurons cannot rely on diffusion to carry products to the end of their axons. Dynein is a motor protein involved in this retrograde axonal transport. Its light chains bind cargo, and its globular head regions bind the microtubule, "moving forward" along it.

Proteins have a variety of functions within a living cell. What are the possible function of proteins, and how can proteins be so divers?

Answers

Explanation:

hope it helps thank you❤

Plz don’t ignore tell me if this is correct helpppppp plzzzzzzzzzzzzzzzz

Answers

Answer:

I'm assuming yellow is dominant since they used Y

YY and Yy are both yellow

yy is blue

So Yellow color would have 75% phenotype probability and Blue would have 25%

Describe an example of the scientific method. Include any limitations this method has.

Answers

Due to the need to have completely controlled experiments to test a hypothesis, science can not prove everything. For example, the scientific method cannot alone say that global warming is bad or harmful to the world, as it can only study the objective causes and consequences.

15. The movement of molecules in a fluid or gas from a region of higher
concentration to a region of lower concentration is called:

Answers

Explanation:

in gases it is called diffusion:)

which is not basidiomycota?
a)cup fungi b)jelly fungi
c)shelf fungi d)smut fungi

Answers

Answer:
A. Cup fungi

6 characteristics feature of grassland habitat​

Answers

Answer:

Vegetation structure that is dominanted by grasses

Classify each description of genetic variation in haploid gametes as a result of random assortment or recombination.

a. Homologous chromosomes independently segregate into haploid cells during meiosis.
b. A diploid cell that is heterozygous for two genes (Aa and Bb) located on different chromosomes produces AB, Ab, aB, and ab gametes in equal proportion.
c. Each chromosome in a haploid gamete may contain some genes from that individual's father and some genes from the mother.
d. Homologous chromosomes exchange genetic information with each other.

1. Random assortment
2. Recombination

Answers

The answer is for
Me in my class was c

What does the strength of friction
depend on?
A. The direction of the forces.
B. The types of surfaces and how hard the
mbjects are being pushed.
C. The color of surfaces and how hard they push.
D. Only how hard the objects are being pushed.

Answers

Answer:

the direction of force.

Humans are not the only animals that pollute the air.

Please select the best answer from the choices provided

A. True

B. False

Answers

Answer: Its True

Explanation: Cows and othere animals burps acctually have a green house gas called methane that is acctually bad for the envirment.

Question 9 of 30
Which of the following statements most accurately describes how water
moves through Earth and its atmosphere?
A. Liquid water falls to Earth as rain.
B. Gaseous water moves from the atmosphere to Earth's rivers and
oceans.
C. Liquid water enters the atmosphere from Earth's rivers and
oceans.
O D. Gaseous water falls to Earth from the clouds.
SUBMIT

Answers

Answer:

option A

Explanation:

liquid water falls to the earth as rain

Questions
A macaw is a type of parrot with colorful feathers that flies about in the upper canopy of trees in tropical rainforests. Macaws have a diet which includes
fruits, leaves, nuts, and seeds of plants. Which of the following describes a biotic factor of the macaw's habitat that provides a survival advantage for
these birds?
o
The colorful feathers are lost and regrow each year
0
Some rainforest predators are able to climb trees
o
Trees provide shelter and a macaw

Answers

Answer:

Trees provide shelter

Explanation:

Firstly, a biotic factor refers to the living component of an ecosystem including the plants, animals and microbial species of one another. According to this question, a macaw is a type of parrot with colorful feathers that flies about in the upper canopy of trees in tropical rainforests. Macaws have a diet which includes fruits, leaves, nuts, and seeds of plants.

In order to ascertain that this birds species are in survival advantage, trees, which is one of the biotic factors found in the tropical rainforest, provide shelter for these birds.

Which of the following are likely to be studied by a biologist? Group of answer choices

A All of these

B What chemicals cause plant stems to lengthen or flowers to bloom?

C Why does the Texas horned lizard squirt blood out of its eyes? D How is a banded pipefish able to hide in its environment of seaweeds?

Answers

Answer:

A

Explanation:

please help
Which part of the Sun can be seen only during a solar eclipse? O A. Chromosphere B. Convection zone O C. Corona D. Photosphere​

Answers

Answer:

chromosphere

Explanation:

Its the outmost layer of the sun, the only part that is visible on an eclipse.

Answer:

chromosphere

Explanation:

It is only visible during total solar eclipses or with sophisticated telescopes.

Which of the following is not associated with the parasympathetic division of the autonomic nervous system (ANS)?
a. resting.
b. energy conservation.
c. emergency action.
d. digesting.

Answers

Answer:

a

Explanation:

The autonomic nervous system (ANS) is involved in breathing and heartbeat. Emergency action is not associated with the parasympathetic division of ANS. Thus, option c is correct.

What is ANS?

ANS is abbreviated for the autonomic nervous system and is a sub-division of the peripheral nervous system. It includes actions that do not require consciousness and can regulate involuntary actions.

The ANS is sub-divided into sympathetic and parasympathetic nervous systems. The latter division is involved with resting, energy conservation, and digestion. It regulates the various body functions.

Parasympathetic nervous systems regulate the breathing rate, digestion, heartbeat, and blood flow, as they all are involuntary physiologic processes. They even show acute stress response but not emergency actions.

Therefore, option c. the emergency responses are not associated with parasympathetic nervous systems.

Learn more about ANS, here:

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In the human body, is every organ a part of only one organ system? Or are some organs a part of two or more organ systems?

Answers

Answer:

I feel like in most cases, every organ in the organ system has only one specific function. But some organs may be a part of one or more organ systems. For example, the liver is a part of the digestive system but also plays an important role in the excretion system.

Hope this helps!

The enzyme could become spatially distorted, thus reducing the ability of the active site to catalyze the reaction. Tight enzyme-substrate binding will reduce the forward rate constant for the reaction. Tight binding of the enzyme to its substrate will pull the substrate out of solution, thus decreasing the driving force for the forward reaction. Tight binding of the enzyme to its substrate will result in the enzyme-transition state complex being higher in energy than with weaker binding. All of the above.

Answers

Answer:

All of the above.

Explanation:

All the given options are the potential disadvantage of an enzyme that have a very high affinity for its substrate.

The enzyme can be distorted spatially and thus reduces the ability to catalyze the reaction of the active site.

The tight binding of an enzyme to a substrate results in enzyme transition state complex which is higher in energy.

The tight binding also pulls the substrate out of the solution and decreases a driving force in the forward reaction.

Some blackcaps that migrate to the United Kingdom have become distinguishable by certain physical and behavioral traits from blackcaps that migrate to Spain. What best predicts the effect on the blackcap population if humans in the United Kingdom continue to place food in feeders during the winter?

Answers

Answer:

Increases.

Explanation:

There is a good effect on the blackcap population if humans in the United Kingdom continue to place food in feeders during the winter because there is more food available for the blackcap bird which automatically increase the population of the bird. Food is the main factor that contributes in the increase or decrease population of blackcap in the United Kingdom and prevent the removal of this bird in that environment.

Please help ASAP will mark brainliest

Answers

Answer:

Swelling, itching or irritation of the mouth or throat. Hives, itchy rash or swelling of the skin. Nasal congestion.

When the villi get destroyed, your body cannot absorb nutrients. This can result in malnutrition. It can also cause other complications, such as permanent damage to your small intestines.

Name one way the male and female endocrine systems are different.

Answers

Hormones represent what makes females different from males. Generally, females and males have the same hormones (i.e., estrogens, progesterone, and testosterone), but their production sites, their blood concentrations, and their interactions with different organs, systems, and apparatus are different

Answer:

Men produce more testoterone and women produce more estrogen.

Explanation:

While both men and women produce testoterone and estrogen, men have higher concentrations of testoterone and women have higher concentrations of estrogen.

Which kind of rock is most likely to contain a trilobite fossil?

1) sedimentary
2) igneous
3) metamorphic
4) plutonic

Explain how it formed. Thank you.

Answers

Answer:

1) sedimentary

Explanation:

Sedimentary rocks are formed by the accumulation and subsequent compression of sediments (i.e., minerals and once-living organisms known as fossils) on the Earth's surface. Almost all fossils are found within sedimentary rocks. Some examples of sedimentary rock that contain fossils include limestone, mudstone and shale. Rock layers are known as strata. The oldest layers containing the once-living organisms (which were fossilized as they formed) are found at the bottom, while the youngest layers are found at the top.

canicas y piedras son homogéneas o heterogéneas

por
favor
es
para
oy
ayúdenme

Answers

Answer:

Heterogéneas.

Explanation:

Se denomina "heterogénea" a toda aquella cosa que, por sus características particulares, no puede ser asimilada a otras sino que posee una individualidad particular que impide dicha asimilación. Así, por ejemplo, una piedra y una canica son heterogéneas entre sí, en tanto no poseen las mismas características y por lo tanto son claramente diferenciables.

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