Question

According to cell theory, all cells carry out the functions needed to sustain life. That means all cells must contain
A) DNA.
B) a nucleus.
C) cell walls.
D) a control center.

Answer 1

So I’m gonna say its A


deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.

Answer 2

@Ultrilliam