Molecules that consist of two or more different elements in proportions that do not vary are called ________
a. elements
b. compounds
c. radioisotopes
d. ions
b
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When an atom becomes an ion, which property changes the most?
a. atomic number b. atomic mass c. charge d. half-life
Reciprocal innveration means that the ____
a. antagonist muscle groups contract at the same time b. antagonist muscle groups relax at the same time c. antagonist muscle groups alternate contraction and relaxation d. synergistic muscle groups contract at the same time e. synergistic muscle groups relax at the same time
A portion (location) of DNA that encodes a specific protein is a Select one:
a. chromatid. b. kinetochore. c. centromere. d. gene. e. chromosome.
In a paternity case, bands from DNA fingerprinting that are common to both the biological mother and the child are identified and eliminated from further consideration. If the remaining bands can be matched to the presumed father,
A. it is extremely likely that he is the father. B. it is extremely unlikely that he is the father. C. there is no doubt, he is the father. D. DNA fingerprinting cannot be used to determine paternity.