What is the purpose of prokaryotic DNA replication?
a. fertilization
b. conjugation
c. to make an extra copy of the chromosome prior to binary fission
d. to polymerize additional genetic material to add to genetic variation
c. to make an extra copy of the chromosome prior to binary fission
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Which of the following macromolecules is insoluble in water?
A) lipids B) sugars C) amino acids D) disaccharides E) nucleic acids
The arrangement of muscles so that the action of one muscle is opposite to that of its partner is referred to as ________
A) insertion B) dual C) synergistic D) antagonistic
Which isolating mechanism is postzygotic?
A. hybrid sterility B. ecological isolation C. temporal isolation D. mechanical isolation E. behavioral isolation
Most human embryos that are aneuploid
A. result in Down's syndrome. B. result in sterility. C. are spontaneously aborted in the first trimester. D. can develop and survive to adulthood. E. are usually the result of increased nondisjunction in the gametes of older men.