Which molecule(s) cause(s) a portion of a DNA molecule to unwind for transcription?
A. 7-methylguanosine cap
B. Poly-A tail
C. Transcription factors
D. RNA ploymerase
E. Spliceosomes
Answer: D
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Heat output occurs by way of heat loss from exposed organs to the internal environment
a. True b. False Indicate whether the statement is true or false
Collections of neuron cell bodies in the central nervous system are called
A) myelin. B) axons. C) dendrites. D) nuclei.
Why is the trigone of the urinary bladder clinically important?
A) The trigone is longer in males than in females. B) Infections tend to persist in the trigone. C) Females have a trigone but males lack the trigone. D) The prostate gland is present in males in the trigone. E) Both sperm and urine pass through the trigone in males.
A blockage in the colon where the ascending colon turns to become the transverse colon would occur at the ________.
A. cardiac sphincter B. gastric flexure C. ileocecal valve D. hepatic flexure E. splenic flexure