Transcriptional control-proteins increase the rate of transcription by binding to

A. promoter sequences within the DNA.
B. operator sequences within the DNA.
C. enhancer sequences within the DNA.
D. tRNA sequences within the DNA.
E. mRNA sequences within the DNA.


Answer: C

Biology & Microbiology

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In which phase of the cell cycle does eukaryotic DNA replication take place?

a. M phase b. G0 c. S phase d. R phase

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Histamines

a. are produced by phagocytes to cause mucous production. b. are produced by mast cells to cause prostaglandin production. c. are produced by complement to attract phagocytes. d. are produced by mast cells to cause capillary dilation. e. are produced by complement to cause capillary constriction.

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Which of the following is NOT supporting evidence for the endosymbiont theory

What will be an ideal response?

Biology & Microbiology