A newer sequencing approach called pyrosequencing exploits the function of ________ to detect nucleotide incorporation in the strand's complementary sequence
a. luciferase
b. mass spectrometry
c. radioactivity
d. stable isotopes
Answer: A
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A cell in G2 before meiosis begins, compared with one of the four cells produced at the end of meiosis II, has
A. twice as much DNA and twice as many chromosomes B. four times as much DNA and twice as many chromosomes C. twice as much DNA but the same number of chromosomes D. four times as much DNA and four times as many chromosomes E. twice as much DNA and half as many chromosomes
Bees use which information for locating food
and the hive? a. local topographic features b. odors c. magnetism d. the angle of the sun e. distance between plants
The process by which soil bacteria convert NH3 or NH4 to nitrate (NO3-) is called
A. assimilation. B. fixation. C. denitrification. D. nitrification. E. ammonification.
In human infants, smiling is a(n) ________ behavior
Fill in the blank(s) with correct word