Xenopus laevis rDNA is
a. repeated in sequences that are randomly distributed across the genome.
b. arranged in clusters of repeats, but the spacers between repeats are unique.
c. generally found in one unique sequence in the genome.
d. arranged in clusters of repeats, and the spacers also contain repeated regions.
e. arranged in clusters of unique genes with spacers between them that contain repeated regions.
Ans: d
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Microarrays are created by robotically placing DNA on to a microscope slide and probing with
A. STSs from the tissue of interest. B. RNA from the tissue of interest. C. clone-by-clone sequencing. D. another DNA from the tissue of interest. E. SNPs from the tissue of interest.
Which of the following organs or tissues can ONLY use glucose as a source of energy?
A. heart B. skeletal muscles like the bicep C. brain D. liver E. spleen
Streptobacillus moniliformis is unusual in that it spontaneously forms L-forms
Indicate whether this statement is TRUE or FALSE.
How many carbon dioxide molecules are produced by the complete aerobic breakdown of one glucose molecule?
A. 6 B. 4 C. 5 D. 3 E. 2