Which DNA repair mechanism uses DNA-N-glycolases?
A. Recombinational repair
B. Direct repair
C. Base excision repair
D. Mismatch repair
E. Nucleotide excision repair
F. Nonhomologous end joining (NHEJ)
C
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What will be an ideal response?
Many errors made during DNA replication are corrected during DNA replication through proofreading by ____.
a. DNA polymerase b. primase c. telomerase d. DNA ligase e. helicase
The number of differences between human cytochrome c and cytochrome c of some other organisms is as follows: rhesus monkey - 1 difference; pigeon - 12 differences; and fruit fly - 24 differences. The order in which these species are most similar to humans is
A. rhesus monkey, fruit fly, pigeon. B. rhesus monkey, pigeon, fruit fly. C. pigeon, fruit fly, rhesus monkey. D. fruit fly, pigeon, rhesus monkey. E. pigeon, rhesus monkey, fruit fly.
These are the primary cellular sites for the extraction of energy from organic compounds:
1.Golgi bodies 2.ribosomes 3.mitochondria 4.lysosomes 5.endoplasmic reticula