Marine mammals, because of the energy demands of being homeothermic, expend about ____ times as much energy as other marine organisms
a. 5
b. 10
c. 15
d. 20
e. 25
B
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A new antibiotic is able to bind the rho (?) factor associated with some transcription processes; as a result this antibiotic would affect
A) initiation of transcription. B) elongation of transcription. C) binding of the RNA polymerase. D) termination of all transcription. E) termination of some transcription
Detection of single or multiple microorganisms based on their cytometric parameters is known as ________.
A. flow cytometry B. serotyping C. complement fixation D. agglutination
Cleavage-stage cells are called ____, which form a solid ball or layer called a ____
a. morulas; blastomere b. blastocoels; blastomere c. blastomeres; morula d. blastomeres; blastula e. blastulas; blastocoel
During exposure to elevated glucose, a yeast cell will increase its uptake of glucose. Describe the mechanism by which the yeast sense the extracellular glucose.
A. by glucose uptake through glucose transporters B. by the increase in energy inside the cell when the glucose is metabolized C. by glucose diffusing into the nucleus and binding to transcription factors D. by glucose binding to glucose receptors E. by the increase in energy outside the cell when the glucose is metabolized