Four of the following are features of humans that differentiate us from apes. Which one is the exception?
A. Bipedalism
B. Large canine teeth
C. Larger brain
D. Little body hair
E. Precision grip
Answer: B
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How does primary protein structure affect the function of protein enzymes?
A) Substrates interact with R-groups at the enzyme's active site. B) Substrates interact with R-groups at the enzyme's external surface. C) Substrates interact with hydrophobic R-groups at any region of the enzyme. D) Substrates permanently bind to R-groups at the enzyme's active site.
If you see a male calico cat, you can be fairly certain that his diploid cells have a sex chromosome combination of
____.
a. XYY b. XY c. XX d. XXY e. XO
The transgenic mouse models for amyotrophic lateral sclerosis (ALS) and Huntington disease show symptoms similar
to those seen in humans affected by these conditions. a. True b. False
Hydrolases are generally involved in ________ reactions
A) anabolic B) catabolic C) both anabolic and catabolic D) neither anabolic nor catabolic E) oxidation-reduction