The first genome sequenced was that of ØX174 . This was mostly likely because ØX174 is a ______________
A. simple bacteria with a small DNA genome.
B. simple bacteria with a small RNA genome.
C. phage with a small RNA genome.
D. phage with a small DNA genome.
E. noninfectious phage.
D
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Squid (shown below, from Fig. 35.3) are predatory molluscs. This requires that squid be able to sense and detect prey that are both sedentary and highly mobile. Which of the following would you expect to be properties of this animal's nervous system?
A. cephalization B. nerve net C. sense organs D. bilateral symmetry E. More than one of the answer choices are correct.
Which of the following events must occur to cause a chromosomal translocation?
A. One chromosome must break in two distinct locations. B. Two different chromosomes must break. C. A transposon must be present in one of the chromosomes. D. The broken ends must pair correctly. E. A mutation in the DNA must occur.
The low molecular weight protein produced by animal cells in response to viral infections is
A. complement. B. lysozyme. C. histamine. D. interferon.
Which type of microscopy has the greatest resolving power?
A) electron microscopy B) phase-contrast microscopy C) fluorescence microscopy D) digital video microscopy E) confocal scanning microscopy