Name at least three different levels of regulation in eukaryotes
What will be an ideal response?
pretranscriptional, transcriptional, processing, transport, translational, posttranslational
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The enzyme beta-galactosidase acts on lactose to form galactose. In turn, the presence of galactose leads to expression of the enzymes responsible for the metabolism of galactose. In this case, lactose is serving as a carbon source and as a(n)
A. inducer. B. repressor. C. DNA-binding protein. D. operon. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about prokaryotic transcriptional regulation? Consider Possibilities · Consider the different answer options. Which can you rule out? 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?
As producers, what inputs do plants require for the process of photosynthesis?
a. oxygen and sunlight b. oxygen and carbon dioxide c. carbon dioxide and sunlight d. carbon dioxide, oxygen, and sunlight
One of the new technologies developed from tissue culture and genetic engineering is plant hybridization.
a. true b. false
Oxygen has six electrons in its second outer shell, and hydrogen has one. With how many hydrogen atoms will oxygen form covalent bonds?
A) three B) eight C) six D) two E) one