The first complete nonviral genome sequenced was that of
A) Escherichia coli.
B) Methanococcus.
C) Saccharomyces cerevisiae.
D) the human mitochondrion.
E) Mus musculus.
D
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Compared to cnidarians, bilaterally symmetrical animals have _____ nervous systems
A. simple B. compound C. specialized D. no
Why isn't the oxygenase function of rubisco active under normal environmental conditions?
a. the oxygenase activity of the enzyme requires more energy b. the affinity of the enzyme favors the binding of CO2 c. the oxygenase activity of the enzyme is inhibited by O2 d. the binding site of the enzyme is allosterically inhibited under normal conditions e. the oxygenase binding site has a higher affinity for ATP
Genetic recombination as a result of crossing over
occurs more readily in genes a. that are on the sex chromosomes. b. that are on the autosomes. c. that are located close together on the same chromosome. d. that are located far apart on the same chromosome. e. that are located on different chromosomes.
As an animal gets larger, which of the following occurs?
A. Its surface area grows more rapidly than its volume B. Its volume grows more rapidly than its surface area C. Its volume and surface area increase in proportion to each other D. Its volume increases, but its total surface area decreases