The genetic switch controlling whether a bacterium enters the lytic or lysogenic cycle relies on the binding of which two proteins?
What will be an ideal response?
cro and ? repressor
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Which digestive structures in humans secrete amylase?
a. liver and gallbladder b. liver and pancreas c. pancreas and gallbladder d. pancreas and salivary glands e. pancreas, liver, and salivary glands
Which of the following is true about Gregor
Mendel when he first started his experiments?
a. Mendel worked with garden pea plants. b. Mendel knew that some plants "breed true." c. He knew that genes were responsible for observable traits. d. Mendel worked on garden pea plants and knew that some plants "breed true." e. Mendel worked on garden pea plants. He knew that some plants "breed true" and that genes were responsible for observable traits.
Gene cloning includes all of the following steps EXCEPT:
A) isolating a DNA fragment that contains the gene of interest. B) selecting for colonies that contain the gene to be cloned. C) inserting the gene of interest into a vector. D) using DNA chip to detect the gene of interest. E) transforming the ligated plasmid into
In addition to being an energy source, fats are used to make _____.
A. amino acids B. nucleic acids C. steroids D. skin cells E. carbohydrates