Numerous Xenopus cells were exposed to various amounts of ultraviolet light. Some of the resulting cells were observed to lack nucleoli. As a result, one would expect that the cell could not
A)replicate its DNA.
B)synthesize rRNA.
C)perform cellular respiration.
D)perform photosynthesis.
E)none of the above

Question

Quizplus · Accepted Answer

Nucleoli are responsible for the synthesis of ribosomal RNA (rRNA). If cells lack nucleoli, they would be unable to synthesize rRNA.

Numerous Xenopus Cells Were Exposed to Various Amounts of Ultraviolet