Four of the following are modern apes. Which is not a modern ape?
a. gibbon
b. new world monkey
c. chimpanzee
d. gorilla
e. orangutan
ANSWER: b
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Meiosis typically results in the production of
a. 2 diploid cells. b. 4 diploid cells. c. 4 haploid cells. d. 2 haploid cells. e. 1 triploid cell.
What is the function of RNA polymerase?
A. It proceeds slowly along the DNA strand, requiring about a minute to add two nucleotides to the growing mRNA molecule. B. It unwinds the double helix and adds nucleotides to a growing strand of RNA. C. It adds nucleotides to the 5' end of the growing mRNA molecule. D.It relies on other enzymes to unwind the double helix. E. All of the above.
What is the advantage of implanting iPS cells derived from the patient's own body rather than ESCs?
A) ESCs could be rejected by the patient's body because they are seen as foreign. B) ESCs have the potential to migrate to the wrong part of the body, but iPS cells will not. C) iPS cells can differentiate into the needed cell types, but ESCs cannot. D) ESCs have HLA markers, but iPS cells from the patient do not.
pH 4 is ______________x more acidic than pH 7.
Fill in the blank(s) with the appropriate word(s).