A scanning confocal microscope
A. produces specimen images on electron micrographs.
B. uses dyes that emit visible light when excited by ultraviolet radiation.
C. uses ultraviolet light to form a specimen image.
D. scans narrow planes and can build a three-dimensional image of the specimen.
Answer: D
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During this stage of mitosis, the chromosomes become attached to the spindle at their kinetochores.
A. Metaphase B. Prophase C. Prometaphase D. Telophase E. Anaphase
Many cave-dwelling animals, although unrelated, possess poor eyesight and little skin pigment. This is an example of
A. punctuated equilibrium. B. convergent evolution. C. adaptive radiation. D. divergent evolution.
How does a muscle return to its extended condition after contracting?
What will be an ideal response?
Refer to Table 8.2. If the sequence of amino acids encoded by a strand of DNA is serine-alanine-lysine-leucine, what is the order of bases in the sense strand of DNA?
A) 3' UGUGCAAAGUUA B) 3' AGACGTTTCAAT C) 3' TCTCGTTTGTTA D) 5' TGTGCTTTCTTA E) 5' AGAGCTTTGAAT