A map unit (?) is
A) the position of a gene on the chromosome.
B) the unit of genetic distance on a chromosome.
C) the unit of physical distance on a chromosome.
D) equivalent to a nucleotide.
E) equal to the number of recombinant progeny.
B
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Where are amacrine cells found?
A. in the layer of tissue with rods and cones B. interspersed among the ganglion cells C. in the bipolar layer of the retina D. in the visual cortex of the brain
Each of the following is a product of the citric acid cycle except
A) CO2. B) ATP. C) NADH. D) acetyl CoA. E) FADH2.
Packaging of prokaryotic chromosomes
A) doesn't involve histone or histone-like proteins. B) involves large regions of positively supercoiled DNA but lacks histones or histone-like proteins. C) is very simple and lacks higher-level structure, such as looped domains. D) involves structural RNA molecules that contribute to the formation of looped domains. is essentially the same as eukaryotic DNA packaging.
The process by which the base sequence of all or a portion of a DNA molecule is used to direct the synthesis of an RNA molecule is called ________.
A. translation B. replication C. reverse transcription D. transcription