What invention eventually led to current deep sea submersibles like Alvin?
a. Bathyscaphe
b. Search-and-recovery vessels
c. Diving bell
d. Bathysphere
a
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The enzyme _____ repairs 99% of mismatched bases immediately during replication
A. DNA ligase B. DNA polymerase C. AP endonuclease D. uracyl glycosylase E. none of these
A population of 1,000 individuals with a per
capita growth rate of 1.0 per year in an environment with unlimited resources will number ____ four years later.
a. 1,000 b. 1,400 c. 4,000 d. 16,000 e. 160,000
Signs/symptoms of uncontrolled diabetes mellitus include _______.
A. low blood glucose B. decreased appetite C. frequent urination D. two of the above
Cation exchange between soil particles and root hairs is the process in which:a
protons are exchanged for positively charged mineral ions. b. electrons are exchanged for positively charged mineral ions. c. protons are exchanged for negatively charged mineral ions. d. electrons are exchanged for negatively charged mineral ions. e. water is exchanged for positively charged mineral ions.