Which cranial nerve allows one to smile and secrete tears?
A. XII
B. VII
C. V
D. IX
Answer: B
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Which of the following structures is not part of the nephron?
A. Distal convoluted tubule B. Glomerulus C. Loop of Henle D. Collecting duct
How many chromosomes are found in a normal human cell?
A. 46 B. 23 C. 23 pairs D. Both 23 pairs and 46 are correct.
Which of the following is NOT consistent with active transport?
A. uses cell energy B. movement is against a concentration gradient C. movement is with a concentration gradient D. exhibits competition and saturation E. involves a carrier
A ________ is composed of a granular cluster of eight proteins called ________ with DNA wound around them
A) centromere; chromatin B) chromosome; histones C) chromosome; centromeres D) nucleosome; centrosomes E) nucleosome; histones