Which one of the following enzymes generates a covalent bond and joins Okazaki fragments in the DNA backbone?
a. primase
b. helicase
c. ligase
d. DNA polymerase
e. RNA polymerase
Answer: c. ligase
Biology & Microbiology
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Which of the human organs is responsible for
breaking down ethanol and other toxins?
a. stomach b. liver c. small intestine d. pancreas e. spleen
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Which of the following is a hominin?
a. chimpanzee b. Australopithecus c. baboon d. chimpanzee and Australopithecus e. chimpanzee, Australopithecus, and baboon
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This is a squamous cell
a. A b. B c. C d. D e. E
Biology & Microbiology