Where does normal fertilization of an egg by a sperm in a human female occur?
A. In the Fallopian tube
B. Near the cervix before the egg leaves the female
C. In the uterus before the egg has implanted
D. At the ovary upon ovulation
E. In the uterus after the egg has implanted
Answer: A
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Using your knowledge of the feedback loops of
human female hormones, which of the following results from high levels of estrogen and progesterone in the blood? a. lack of growth of the corpus luteum b. absence of monthly ovulation c. increased secretion of FSH d. increased levels of LH e. all of these
A ________ mutation does not alter the amino acid sequence of the resulting protein.
A. missense B. silent C. nonsense D. None of the choices are correct.
Dennis had a history of heart disease in his family and was reducing his intake of saturated fats. Saturated means each carbon atom is bonded to as many hydrogen atoms as it can accept. If a carbon were bonded to two carbons, how many hydrogens could it accept?
A. 0 B. 1 C. 2 D. 3 E. 4
Which prokaryotic group is most closely related to eukaryotes?
A) Bacteria B) Protista C) Archaea D) Bacteria and Archaea are equally closely related.