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Rama09 [41]
3 years ago
11

What are the characteristics of the cell membrane

Biology
2 answers:
patriot [66]3 years ago
4 0
It has two phosppholipid layers that are either hydrophobic and hydrophillic the function is to protect thing from coming in and out
Elden [556K]3 years ago
3 0
The plasma membrane (cell membrane) is made of two layers of phospholipids.

The plasma membrane has many proteins embedded in it.

The plasma membrane regulates the entry and exit of the cell. Many molecules cross the cell membrane by diffusion and osmosis.

The fundamental structure of the membrane is phospho lipid bilayer and it forms a stable barrier between two aqueous compartments.

The proteins present in the plasma membrane, act as pumps, channels, receptors, enzymes or structural components

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Which statement about natural selection is true?
STatiana [176]

Answer: c.Natural selection is the process by which organisms with more beneficial traits are more likely to survive and reproduce.  

Natural selection is the differential survival and reproduction of individuals because of differences in the phenotype. Phenotypic characteristics favors the survival of some organisms in the population better than others. Example given by Darwin population of colored beetles green and red belonging to same species. Green ones mimic the color of grass not noticed by birds but red ones were noticed and eaten by birds. This is the selection by nature for better suited individuals. Green color gave the survival advantage to these beetles which is a phenotypic characteristic therefore, they will produce more offsprings than the red ones and also pass on the phenotypic trait to their offsprings.


3 0
3 years ago
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Similarities between seemingly unrelated organisms can be explained by Darwin’s theory that organisms come from common ancestors
dlinn [17]
The answer would be true
4 0
3 years ago
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Which of the following changes between trophic levels would have the highest energy conversion efficiency?
swat32

Answer:

i believe its b

Explanation:

7 0
3 years ago
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How does ATP enable transport to move ions across a cell membrane?
Setler [38]
It is the basic unit of energy for all functions of the cell without ATP the ions wouldn't be able to transport across the cell membrane. 
I hope this helps!

8 0
3 years ago
One characteristic that distinguishes a population in an extinction vortex from most other populations is that (A) it is a rare,
miv72 [106K]

(C) its genetic diversity is very low.

<h3>What is meaning of Extinction?</h3>

Extinction is the final phase of a sort of creature or a taxon—typically a species. Although the ability to reproduce and bounce back may have been lost earlier, the death of the last member of the species is typically considered to be the moment of extinction.

Determining this point is challenging because a species' potential range may be quite wide, and is typically done after the fact. Due to this problem, there are phenomena like Lazarus taxa, in which a species that was thought to be extinct suddenly "reappears" after a period of apparent absence (usually in the fossil record). Estimates place the number of extinct species at over five billion, or more than 99% of all species that have ever existed on Earth.

Learn more about extinction with the help of the given link:

brainly.com/question/27207648

#SPJ4

6 0
2 years ago
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