One of the two main angiosperm clades, the ____ has about 200,000 species. All members of this group have pollen
grains with three grooves, and most have two cotyledons and net-veined leaves.
a. eudicots
b. laurels
c. monocots
d. water lilies
e. magnoliids
ANSWER: a
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Bacteria can exchange genes with other
bacteria by a method called
a. binary fission. b. meiotic recombination. c. conjugation. d. translation. e. compilation
Before ARF transcription factors can trigger auxin-induced gene expression, what must happen?
A. Auxin binds to ubiquitin, a degradation tag. B. Auxin degrades Aux/IAA proteins which repress ARF transcription factors. C. Auxin binds to TIR1, an auxin receptor. D. Auxin must bind to the ARF transcription factor. E. Ubiquitin must destroy TIR1 to release Aux/IAA proteins.
Which of the following would indicate damage to the right hemisphere of the cerebrum?
a. paralysis of the left facial muscles b. uncoordinated movement c. lack of balance d. problems breathing
What atom is responsible for the formation of free radicals in the mitochondria?
a. Calcium b. Hydrogen c. Sodium d. Iron e. Potassium