簡單Bio問題 (about DNA and RNA)

1. A DNA molecule does NOT contain the following (the answer can be more than one choice) :


A. Uracil

B. Cytosine

C. Adenine

D. Thymine

E. Ribose


2. A RNA molecule does NOT contain the following(the answer can be more than one choice):


A. Cytosine

B. Adenine

C. Thymine

D. Ribose

E. Deoxyribose

3. What bases can be found in RNA?