The DNA site to which the repressor protein binds is the
A. operon.
B. regulon.
C. operator.
D. repressor
C
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What will be an ideal response?
Fill in the blanks to complete the following statements
_________________ is a pneumonia-like infection associated with patients on ventilators. ? Fill in the blank(s) with correct word
Facilitated diffusion differs from passive diffusion in that facilitated diffusion is
a. mediated only by a protein channel. b. mediated only by a protein carrier. c. mediated by a protein carrier or channel. d. against the concentration gradient.
Answer the following questions true (T) or false (F)
1. Cells harvest energy from nutrients by stripping electrons from them. In other words, the nutrients are oxidized. 2. By the end of the Krebs cycle, every carbon originally in glucose is converted into carbon dioxide. 3. The main energy benefit of the Krebs cycle is the mass production of both ATP and the reduced factors NADH and FADH2.