Which regulatory mechanism does NOT depend on a conformational change in protein/enzyme structure to change activity?
A) attenuation
B) catabolite repression
C) feedback inhibition
D) negative control
Answer: A
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What is the variance for the mother's and daughter's heights?
A. Mothers: 42.21Daughters: 24.26 B. Mothers: 41.32Daughters: 23.71 C. Mothers: 43.78 Daughters: 24.26 D. Mothers: 42.21 Daughters 23.78
ATP serves as a common energy source for organisms because
(A) it is the smallest energy molecule (B) it stores the least energy of any energy source (C) its energy can be easily transferred to do cellular work (D) it is extremely stable and can be stored in the cell for long periods of time (E) traces of it have been found in fossils of ancient organisms dating back to the beginning of life on Earth
Effective antiviral drugs are usually associated with which of the following properties?
A) interference with viral replication B) prevention of the host from becoming infected C) removal of viral proteins D) removal of viral mRNAs
Which of the following is NOT found in mitochondria and prokaryotes?
a. Circular chromosome b. 70S ribosomes c. Cell wall d. Binary fission e. ATP-generating mechanism