Why is active transport necessary for cells? A. Diffusion is a very slow process.

B. Active transport is not necessary for all cells.

C. Sometimes molecules need to move from low to high concentrations.

C. Sometimes molecules need to move from low to high concentrations.

Explanation:

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).