問題詳情
15. 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) synthesize rRNA.
(B) replicate its DNA.
(C)perform photosynthesis.
(D)perform cellular respiration.
(E)none of the above
參考答案
答案：99
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中