A cell could potentially regulate transcription by regulating: (Select all correct choices)
A. the number and kinds of regulatory
transcription factors present.
B. the number and kinds of general
transcription factors present.
C. the number and kinds of components of
the RNA polymerase complex present.
A,B,C
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A plant is exposed to a toxin that blocks ABA receptor sites in the plasma membrane. What is the likely consequence of this exposure?
A. Oxygen deprivation will trigger the release of ethylene, which will in turn suppress root growth. B. Gibberellin production will increase, allowing the plant to access more nutrients in the soil. C. ABA will enter the cells by an alternative route and normal function will be restored. D. The plant will lose excess water through transpiration and suffer dehydration. E. The guard cells will become flaccid and gas exchange will cease. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about ABA? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Currently, what information can be obtained from sequencing an individual's genome?
A) Information about gene variants that predispose a person to a disease, such as cancer. B) Information about gene variants that predispose a person to criminal activity. C) Information that psychiatrists can use to predict personality and behavior. D) Information that will accurately predict the life span of an individual.
What type of junction prevents stomach acids from leaking into the gut cavity?
a. tight junctions b. elastic junctions c. basement membranes d. desmosomes e. gap junctions
Light reactions use sunlight as energy source The light reactions use sunlight as the energy source.
a. true b. false