Which of the following is not true of the ? repressor protein, cI?
A. It binds DNA as a monomeric protein.
B. It is inactivated by autocleavage through interaction with RecA protein.
C. When bound to OR2 it activates transcription from PPM.
D. It represses the transcription of early genes necessary for lytic growth.
A
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The E test is
A. used to measure esculine levels in pasteurized milk. B. a quantitative antibiotic sensitivity test that utilizes plastic strips impregnated with an antibiotic of interest. C. used to quantify levels of IgE antibody in serum samples. D. a rapid serological test used to detect the presence of eastern equine encephalitis virus in cerebrospinal fluid.
The source of the water that formed the earth's oceans was water vapor escaping from the interior of the planet
Indicate whether the statement is true or false
Which of the following is TRUE concerning the C4
pathway? a. It produces large amounts of carbohydrates. b. It feeds into the C3 pathway. c. It is the mechanism of photorespiration. d. It involves the activity of rubisco. e. All of these are true.
Describe three characteristics of enhancers and silencers
What will be an ideal response?