Which hepatitis virus only results in acute infections?
A) hepatitis A B) hepatitis B C) hepatitis C D) hepatitis D E) hepatitis E
Answer: A
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If you were to observe the activity of methylated DNA, you would expect it to _____
A) be replicating nearly continuously B) be unwinding in preparation for protein synthesis C) have turned off or slowed down the process of transcription D) be very actively transcribed and translated E) induce protein synthesis by not allowing repressors to bind to it
DDT and PCBs are no longer legally used anywhere in the U.S
Indicate whether the statement is true or false
Alcohol reduces ADH secretion which in turn
A. decreases tubule permeability to water and thus increases urine volume. B. decreases tubule permeability to water and thus decreases urine volume. C. increases tubule permeability to water and thus increases urine volume. D. increases tubule permeability to water and thus decreases urine volume. E. has no effect on the urine volume.
All EXCEPT which of the following is true of the
spinal cord? a. houses connections between sensory and motor neurons b. serves as a reflex center c. its gray matter serves as passageway for nerve tracts to brain d. is covered with meninges e. is enclosed by vertebrae