While studying the synthesis of Molecule X in prokaryotes, you discover that you can halt this process temporarily by adding a quantity of Molecule W to your solution, but only when Molecule X is also absent from the solution. What conclusion can you draw from this discovery?
a. Molecule W is a repressor
b. Molecule W binds to the operator
c. Molecule W is an inducer
d. Molecule W binds to Molecule X
c. Molecule W is an inducer
You might also like to view...
Compare and contrast simple diffusion, osmosis, and facilitated diffusion. What will be an ideal response?
The first panel of the sequence in Figure 52-2 reflects:
a. trial-and-error.
b. negative reinforcement.
c. an irrelevant stimulus.
d. the conditioned response.
e. the unconditioned response
What process results in the formation of the endosperm and the embryo in angiosperms?
A. double fertilization B. hydrolysis C. alternation of generations D. secondary growth E. determinate growth
Insect workers propagate more of their own alleles by helping their mother reproduce rather than by reproducing themselves; thus, they share a larger fraction of their ________ with the next generation.
A. ability to defend their nest B. home C. time D. food resources E. genome