The lac repressor prevents the lac genes in the DNA of E. coli from being expressed most of the time. The answer to your question is A. I hope this is the answer that you are looking for and it comes to your help.
Answer:
Muscles can also receive messages from the brain when the body temperature decreases. They respond by shivering. Shivering causes the muscles to contract and relax quickly. This process generates heat.
C, energy
to regenerate ATP is the chemical energy stored in food like glucose
A product of photosynthesis is glucose which is a sugar. This sugar(glucose) is food for the plants.
Answer/Explanation:
The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis. the energy storage molecule ATP and the reduced electron carrier NADPH. The ATP and NADPH from the light-dependent reactions are used to make sugars in the next stage of photosynthesis, the Calvin cycle.
