What unit of length would you generally use to measure a typical plant or animal cell?
(a) centimeters
(b) nanometers
(c) millimeters
(d) micrometers
(d)
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A large portion (45%) of the human genome is composed of
A. introns. B. exons. C. templates. D. transposons. E. pseudogenes.
Which protein relaxes supercoils by nicking the DNA?
A) topoisomerase B) helicase C) primase D) ligase E) telomerase
Oats are eaten by humans as oatmeal or rolled oats, and as feed for livestock such as cattle. In order for an oat plant to make the part we eat (the seed), it must flower and be pollinated. Typically, oat plants flower when days are lengthening (i.e., late spring to early summer). What is the best classification for oat plants?
A) long night B) short night C) night neutral D) short day
In the human skeleton, the ________ is a ball-and-socket joint
Fill in the blank(s) with correct word