Certain proteins can bind to specific DNA regulatory sequences by entering
A. the major groove of the DNA and reading the nucleotide base pairs.
B. the minor groove of the DNA and reading the nucleotide base pairs.
C. the major groove of RNA and reading the nucleotide base pairs.
D. DNA's major groove by using DNA polymerase and reading the nucleotide base pairs.
E. DNA's minor groove by using DNA polymerase and reading the nucleotide base pairs.
A. the major groove of the DNA and reading the nucleotide base pairs.
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_____, such as sea squirts, share features of the chordate body plan during early development
A. Tunicates B. Echinoderms C. Chordates D. Cephalochordates
If humans reproduced by parthenogenesis:a
males would need to produce more sperm. b. external fertilization would be necessary. c. the number of females in the population would most likely increase. d. the population would not reproduce asexually. e. no gametes would be produced.
What is the purpose of the functional photoreceptors in mole rats, even though the image-forming part of the brain is dramatically reduced?
a. It allows them to set their biological clock properly, which is necessary for reproduction. b. It allows them to hunt successfully. c. It allows them to see other individuals in their group properly. d. It allows them to set their biological clock
The release of the protein insulin from pancreatic cells occurs by
A. pinocytosis. B. phagocytosis. C. receptor-mediated endocytosis. D. exocytosis. E. endocytosis.