Which of the following is not part of the molecule of DNA
A. Deoxyribose
B. Nitrogen base
C. Phosphate
D. Ribose
Answer: D
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Biology
- The osmoregulatory/excretory system of a freshwater flatworm is based on the operation of _____.
- Materials are returned to the blood from the filtrate by which of the following processes?
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- The end product of thymine degradation is _______.
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- Components of the transulfuration pathway include all of the following except _____.
- Homogentisate is an intermediate in the degradation of __________.
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- The fixation of nitrogen requires _______.
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- SAM is a methyl donor in the synthesis of ______.
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- All of the following are purine bases except _____.