Instability of radioisotopes is caused by
a. sudden temperature variations.
b. environmental humidity.
c. the random motion of atoms.
d. the disintegration of a neutron into a proton
and an electron.
e. the motion of electrons and neutrons.
D
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Variability in offspring is largely a result of ____
a. mutations b. nucleosomes c. Okazaki fragments d. DNA repairs e. RNA primers
Using the information presented in the figure above, where nuclear DNA was digested with MstII,
subjected to gel electrophoresis, and probed in a Southern blot with the indicated probe, which lane had a DNA sample from a palm tree?
a. 1 b. 2 c. 3 d. 4 e. 5
The scientific name for the ruffed grouse is Bonasa umbellus. Bonasa is
a. the family name. b. the genus. c. the specific epithet. d. all of the above.
The spinal cord runs through the vertebral column and connects with the brain through the
__________. Fill in the blank(s) with the appropriate word(s).