Which statement best describes the plasma membrane?

a. it is nonpermeable to substances outside of the cell

b. its rigidity does not allow materials to enter the cell.

c. it is freely permeable to all substances.

d. it is selectively permeable to certain substances

D) It is selectively permeable to certain substances.

Explanation:

The plasma membrane is like the military of the cell. It's function is serving and protecting the cell from it's surroundings. Composed of proteins, it is very selectively permeable. This means it allows certain types of molecules or ions to pass on through it as a active or passive transport.

The correct answer is D

Explanation:

The plasma membrane is sorta like the military of the cell. It's function is to serve and protect the cell from it's scary surroundings! Composed of proteins, it is selectively permeable. Meaning it allows certain types of molecules or even ions to pass on through it, as in active or passive transport. Hope this helps! Have a blessed day!

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.