DNA ligase functions to
A. catalyze the formation of hydrogen bonds between adjacent 5'?P and 3'?OH termini.
B. relax supercoiling of DNA.
C. add methyl groups to DNA.
D. facilitate base pairing between single?stranded molecules of DNA.
E. catalyze the formation of covalent bonds between adjacent 5'?P and 3'?OH termini.
Ans: E. catalyze the formation of covalent bonds between adjacent 5'?P and 3'?OH termini.
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Sperm are produced in the ____
a. epididymis b. seminiferous tubules c. penis d. prostate gland e. vas deferens
Which of the following choices represents the correct
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Viruses that infect bacteria are:
a. Not known to exist b. Prions c. Bacteriophages d. Composed of protein only e. Also capable of causing disease in humans