A protein that regulates transcription by binding to the operator is known as a(n)
A. induction protein.
B. repressor.
C. operon.
D. promoter protein.
E. operator.
Answer: B
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Fill in the blank(s) with correct word
The (definitive/intermediate/primary) host is where immature stages of parasites develop
What will be an ideal response?
The disease known as dengue hemorrhagic fever is actually
A) a hyperimmune response to reinfection with the dengue virus. B) an immediate immune reaction to the initial infection with the dengue virus. C) an antibody-antigen complex reaction. D) the result of co-infection with other arboviruses. E) the chronic carrier state of the dengue virus.
Which of the following are the four classes of biological molecules?
a. nucleic acids b. RNA c. carbohydrates d. sucroses e. proteins f. lipids g. DNA h. cholesterols