Why is a promoter important to transcription?
What will be an ideal response?
A promoter is the site where RNA polymerase binds to DNA. It positions the RNA polymerase to start transcription.
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The satellite regions that distinguish chromosomes 13, 14, 15, 21, and 22 are
A) primarily euchromatin. B) proteins that stabilize the chromosomes. C) located near the centromere. D) repeated genes that encode ribosomal RNAs and proteins.
The reproductive biology of hagfishes is well understood
Indicate whether the statement is true or false
The roots of monocots are generally ________, whereas the roots of dicots are generally ________
A) thick taproots; thin and fibrous B) spread out laterally; deep C) deep; spread out laterally D) covered in root hairs; lacking root hairs
According to the law of independent assortment,
a. all possible combinations of factors can occur in the gametes. b. only the parental combinations of gametes can occur in the gametes. c. only the nonparental combinations of gametes can occur in the gametes.