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Gemiola [76]
3 years ago
7

If the plasma membrane was permeable, but not selectively permeable, how would that affect the cell?

Biology
1 answer:
Lelechka [254]3 years ago
7 0

Answer:

It would most likely kill the cell.

Explanation:

If a cell's membrane is fully permeable (not semi-permeable) then substances that are harmful to the cell are more than likely to enter it at one point or another, which can pretty much end up killing it.

In short, the semi-permeable membrane is there to ensure that only the useful stuff gets in and that the bad stuff stays out.

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Use your knowledge of inheritance (the passing of traits from parents to offspring) to explain why
yarga [219]

Answer:

Fraternal twins can be different genders because they are two completely different eggs getting fertilized; but even two same gender fraternal twins do not look completely alike. Whereas for identical twins since one egg is splitting into two, the two cells have the same exact DNA make up and chromosomes.

I also believe the technical part of it is to do with genetics, like ressesive and dominant genes, because they can be the same gender, ex. both girls and one has blue eyes, fair skin, and blonde hair, the other twin has brown eyes, black hair and tan skin. The parents could be part of the genes but there is also grandparents maybe the mom's mom has blonde hair and blue eyes, with fair skin. But the dad he has brown eyes, black hair and tan skin. The moms genes were recessive, but the grandma's genes were dominant.

I tried to explain it as best as I could I hope it helps!

4 0
3 years ago
What techniques do scientists use to study ocean sediments
artcher [175]
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4 0
3 years ago
What is the correct sequence of events along an axon that follows a membrane reaching threshold potential?
Oksi-84 [34.3K]

As sodium ions diffuse inward, sodium channels open.

Membrane depolarization occurs.

Potassium ions spread outward as potassium channels open.

Membrane repolarization occurs.

<h3>What happens along an axon in the right order ?</h3><h3 />

An action potential, which is a fast change in membrane potential, develops when the membrane potential of a neuron's axon hillock hits threshold. There are three steps to this shifting change in membrane potential. Depolarization occurs first, then repolarization, and then there is a brief phase of hyperpolarization.

  • A depolarizing current causes an explosion of electrical activity known as the action potential. This indicates that the resting potential shifts toward 0 mV as a result of some action (a stimulus).

Learn more about Axon here:

brainly.com/question/27274584

#SPJ4

8 0
1 year ago
"in the _____________ context, patients do not know if they are going to die because the doctor and staff deliberately keep the
Lerok [7]
<span>In the closed awareness context, patients do not know if they are going to die because the doctor and staff deliberately keep the information from them."</span>
4 0
4 years ago
Why would scientists use a control sample that has no DNA from bighead carp in eDNA surveillance?
Yanka [14]

Answer:

cientists would use a control sample that has no DNA from bighead carp in Edna surveillance in order to verify that no DNA has contaminated the gel. It would eliminate certain errors in the experiment. What are some of the things that your DNA can be contaminated with?

Explanation:

3 0
2 years ago
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