Meselson and Stahl's experiments showed that DNA replication is
A) dispersive, conservative, and semi-conservative.
B) dispersive, but not conservative or semi-conservative.
C) semi-conservative, but not dispersive or conservative.
D) quasi-conservative, but not dispersive or semi-conservative.
C) semi-conservative, but not dispersive or conservative.
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The Angel Oak on Johns Island, South Carolina is estimated to be up to ____ years old
a. 300 b. 1000 c. 1400 d. 2000 e. 2400
Nonpolar molecules develop when:
A) shared electrons are not shared equally. B) one atom is much more electronegative than the other. C) electrons are completely transferred from one atom to another. D) both atoms have similar electronegativity.
Contrast fermentation and respiration in terms of electron donor, electron acceptor, type of ATP production, and relative number of ATP produced
What will be an ideal response?
The term coitus means ____
a. sexual arousal b. fertilization c. ejaculation d. orgasm e. sexual intercourse