What happens when a particular protein is needed by a cell?
A) The cell dies.
B) The gene for that cell is expressed.
C) The gene for that cell is replicated.
D) The entire DNA strand containing the appropriate gene is expressed.
E) The entire DNA strand containing the appropriate gene is replicated.

Question

Quizplus · Accepted Answer

When a cell needs a particular protein, the gene encoding that protein is expressed. This involves transcription of the gene into messenger RNA (mRNA) and translation of the mRNA into the protein.

What Happens When a Particular Protein Is Needed by a Cell