Monkeys and humans share many of the same DNA sequences and have similar proteins, indicating that:

a. the two groups belong to the same species.
b. the two groups share a relatively recent common ancestor.
c. humans evolved from monkeys
d. monkeys evolved from humans
e. the two groups first appeared on Earth at about the same time.


Ans: b. the two groups share a relatively recent common ancestor.

Biology & Microbiology

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In the graph above, at what point in the action potential will the sodium channels be opened?


A) A
B) B
C) C
D) D
E) E

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Under Hardy-Weinberg equilibrium, if the frequency of A = 0.9, then the frequency of a =

a. 1.0 b. 0.1 c. 0.9 d. 0.0 e. none of the above (frequency of a cannot be determined)

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The kinetochore holds the homologous chromosomes together.

Answer the following statement true (T) or false (F)

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Afterbirth refers collectively to the:a

fetus and the placenta. b. fetus and the surrounding fetal membranes. c. fetus and the umbilical cord. d. placenta and the fetal membranes. e. fetus, the umbilical cord, and the placenta

Biology & Microbiology