The lacP site lies within the lac operon and is upstream of the genes that encode for proteins involved in lactose uptake and metabolism. Which of the following statements is TRUE of the lacP site?
A. It is the lac promoter site.
B. It is where RNA polymerase binds.
C. It is the site where genes are transcribed that encode proteins for metabolizing lactose.
D. It is the lac promoter site where RNA polymerase binds.
E. It is the lac promoter site, where genes are transcribed that encode proteins for metabolizing lactose.
D. It is the lac promoter site where RNA polymerase binds.
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A) lipid bilayers / phospholipids B) protein bilayers / lipids C) lipid bilayers / glycoproteins D) glycolipid bilayers / phospholipids
Two species of antelope ground squirrels are separated by the Grand Canyon. They are hypothesized to descend from a common ancestor, populations of which were separated as the canyon formed. If this hypothesis is correct, it would be an example of:
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The lesions in the brains of people with Alzheimer disease are caused by a protein fragment called
___________________. Fill in the blank(s) with the appropriate word(s).
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A) Bacteriostatic B) Sporicidal C) Ideal D) Bactericidal