Rapid turgor pressure changes in specialized multicellular swellings called ____________ are associated with leaves that move in response to touch or light.
A. petioles
B. pulvini
C. stipules
D. pudicas
E. coleoptiles
B. pulvini
Pulvini are two-sided multicellular swellings located at the base of leaves or leaflets in many plants.
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The virus repressor protein
A) controls the prophage's lytic genes but not the incoming genomes of the same virus. B) does not control the prophage's lytic genes but does control the incoming genomes of the same virus. C) controls both the lytic genes on the prophage and prevents an incoming virus of the same type. D) has different actions in different situations.
Where do the catabolic products of fatty acid breakdown enter into the citric acid cycle?
A) pyruvate B) malate or fumarate C) acetyl CoA D) ?-ketoglutarate E) succinyl CoA
A change in the genetic information of a cell; The ultimate source of genetic diversity; A mutation also can occur in the DNA or RNA of a virus
What will be an ideal response?
The genome of the single-celled eukaryote Saccharomyces cerevisiae is made up of ________ chromosome(s)
a. a single linear b. a single circular c. 2–5 circular d. 16 linear