题目内容

Which of the following is not included in a nucleic acid: ____

A. C
B. H
C. O
D. S
E. N

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To form a nucleic acid, the linkage between nucleotides is: ____

A. glycosidic bond
B. hydrogen bond
C. 3’, 5’-phosphodiester
D. peptide bond
E. 2’, 5’-phosphodiester

The basic component of nucleic acid is: ____

A. phosphate and ribose
B. nucleoside and nitrogen bases
C. mononucleotide
D. nitrogenous bases
E. deoxyribose and nitrogen bases

Based on “Central Dogma”, the direction to pass biological information is:

A. DNA>Protein>RNA
B. RNA>DNA> Protein
C. DNA>RNA> Protein
D. Protein >DNA>RNA

The finding of Okazaki fragments proves that the replication of DNA is:

A. semi-conservative replication.
B. continuous replication.
C. indirect replication.
D. semi-continuous replication.

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