A feature that distinguishes New World and Old World monkeys is ____
a. a tail
b. arm vs. leg length
c. bipedalism
d. a prehensile tail
e. a small brain
ANSWER: d
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When a DNA promoter sequence is methylated, ____
a. it is permanently silenced because the methyl group can never be removed b. it is temporarily silenced because the methyl group can be removed c. it is perpetually transcribed because the methyl group can never be removed d. it is temporarily transcribed because the methyl group can be removed e. the impact on expression depends on the gene being controlled by the promoter
Which of the following is a causative agent of a discharge disease?
A. Schistosoma haematobium B. Escherichia coli C. Leptospira interrogans D. Herpes simplex virus 2 E. Neisseria gonorrhoeae
Which of the following statements is false about
neurobiological disorders (NBDs)? a. Exceptional creativity is often associated with NBDs. b. Creative writers are ten times more likely to be depressed than the general population. c. Highly creative healthy people have personality traits in common with the mentally impaired. d. There seems to be no genetic basis for NBDs. e. None of these are false statements.
The diffusion of water across a membrane is known as ____
a. osmosis b. active transport c. facilitated diffusion d. movement through a channel e. carrier mediated transport