The cell membrane:
a) prevents all molecules from entering/exiting the cell
b) contains proteins that are involved in cell signaling
c) is comprised of small pieces of ribonucleic acid
d) forms a non-selective barrier to hydrophilic molecules
e) all of the above are correct

The answer is E all of the above are correct

Explanation:

The menbrana cell is formed by small pieces of ribonucleic acid and proteins; It acts as a barrier to prevent the intracellular elements that compose it from leaving or entering it indiscriminately.

answer:

i honestly don't know. but for being kind and considerate and trying to make people feel better! people like you show the world that their is still always kindness going around. it means a lot to me (and others! ) that you are trying to cheer people up. we need more people like you! < 3 < 3 < 3

explanation:

spread the love with #notahater !

answer:

thousands of years before the arrival of the british, australia was settled by the indigenous people of australia called the aborigines. this timeline begins when the europeans first arrived. 1606 - the first european to land at australia is dutch explorer captain willem janszoon.

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