RNA synthesis from a DNA template:
A. is called translation of the message.
B. requires DNA polymerase.
C. is called transcription.
D. occurs in the nucleolus.
E. occurs in the cytoplasm.
C
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The lens of the eye flattens when
A. extrinsic eye muscles contract. B. intrinsic muscles of the iris contract. C. extrinsic eye muscles relax. D. ciliary muscles contract. E. ciliary muscles relax.
Bones are constantly undergoing resorption (breaking bone down) for various reasons. Which of the following cells accomplishes this process?
A) osteoblast B) stem cell C) osteoclast D) osteocyte
A patient with prerenal acute renal failure would MOST likely present with:
A) confusion and hypertension. B) joint pain and bladder distention. C) hypotension and tachycardia. D) peripheral edema and hematuria.
Long-term inhibition of thirst is mostly associated with which of the following?
A. Cooling of the mouth B. Increased salivation C. A drop in blood osmolarity D. Moistening of the mouth E. Distension of the stomach by ingested water