The random motion of molecules is known as ____.
a. Diffusion
b. Osmosis
c. Active transport
d. Brownian Motion
Answer: d. Brownian Motion
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Which is not true about a crown gall tumor?
A. It is a bacterial infection of plants. B. It requires a plasmid. C. It produces a large amount of opines that neither the plant nor bacteria synthesizes. D. It is due to the incorporation of bacterial plasmid DNA into the plant chromosome. E. All of the choices are true.
Most E. coli antisense RNAs work with a protein called ________ to regulate their target mRNAs.
A. MicF B. Hfq C. CAP D. None of the choices are correct.
The process of using each strand of a DNA molecule as a template to form a new strand is called ________
A) transcription B) semiconservative replication C) translation D) conservative replication
Australopithecus africanusis older (earlier) than Australopithecus afarensis
a. true b. false