The enzyme ________ is used by retroviruses to transfer information from RNA to DNA
a. RNA polymerase
b. reverse transcriptase
c. integrase
d. helicase
Answer: B
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A prokaryotic cell has all of the following EXCEPT ____
a. a plasma membrane b. DNA c. cytoplasm d. a nucleus inside a membrane e. ribosomes
The FBI currently determines an individual's DNA profile using:a
DNA sequencing. b. mitochondrial DNA variations. c. RFLPs. d. DNA ligation. e. 13 STR markers
Which of the following makes pollination important?
a. It enables recognition of male and female flowers in plants. b. It enables the pollinator to feed. c. It enables fertilization and reproduction in plants, while the pollinator has no benefits. d. It enables fertilization and reproduction in plants, while the pollinator can feed.
All else equal, the theoretical justifications for a particular function form should be stronger in the cases in which you are:
A. attempting to identify correlations only. B. running fixed effects regressions. C. extrapolating further off the support of the data. D. using an instrumental variable.