B. epithelial cells allow blood to flow through freely.
My answer would be 2:2 for the first one and if they were all girls, assuming none are bald, the ratio would be 4:0. sorry if i’m wrong that’s just how i solved the problem:)
Answer:
d
Explanation:
please give brainlest need 2 more
The membrane being referred to here is the nuclear envelope.
The nuclear envelope is similar to the plasma membrane of the cell, except that it controls the passage of substances in and out of the nucleus. The movement of substances in and out is carried out through nuclear pores, which are small openings on the membrane.