Prokaryotic cells lack a nucleus. Therefore, the genes in prokaryotic cells are:

a) All expressed, all of the time
b) Transcribed and translated almost simultaneously
c) Transcriptionally controlled because translation begins before transcription ends
d) B and C are both true

in addition to being able to metabolize, grow, digest food, and excrete wastes, what other functions must an organism perform if it is to survive? survival also depends on the ability to maintain one's boundaries, to move, to respond to stimuli, and to reproduce. oxygen is a survival need.