If single-celled organisms did not undergo the cell cycle, they could not -- A-Reproduce.

B-die.

C- replicate RNA.

D- function.

answer; i do believe that the correct answer is; ///mendelian genes are at specific loci on the chromosome and, in turn, segregate during meiosis;

a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah

the answer is:

carbon dioxide