Gene transcription is induced by
a. A.
b. B.
c. C.
d. D.
e. none of these.
Answer: c
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Epithelial tissue is found:
A. on the outer surface of the body. B. lining the gastrointestinal tract. C. lining the lungs. D. lining the blood vessels. E. All of these choices are correct.
Which of the following is not involved in vasodilation or vasoconstriction?
a. hot or cold temperatures b. hormones c. oxygen supply d. nitric oxide e. angiotensin
BamHI is a Type II restriction enzyme that recognizes the sequence 5' G*GATCC 3', and cuts between the two Gs, leaving a 5' overhang. If you were to digest DNA with BamHI, what would be the sequence of the overhanging sticky ends of the two strands?
A. 5' GATCC 3' and 5' GATCC 3' B. 5' G 3' and 5' G 3' C. 5' GATCC 3' and 5' GGATC 3' D. 5' GATC 3' and 5' GATC 3' E. 5' G 3' and 5' C 3' F. 5' GATC 3' and 5' CTAG 3'
Between 60% and 80% of genes are NOT regulated, but are
A. constitutive. B. continuous. C. degenerative. D. repressed.