Which of the following is exclusively controlled by ATP and ADP levels?

You develop a pesticide to kill weeds that prevents the guard cells from functioning properly. The pesticide has:

What molecule is depicted in the diagram below?  

Glucose is leaving the cell as fast as it can enter. The enzyme ________ is not working correctly.

Salivary amylase is an enzyme found in the mouth that breaks down starch. The mouth has a pH of 6.2 – 7.4. As food is swallowed and enters the stomach where the pH is around 3, salivary amylase stops functioning. The pH of the stomach has __________ salivary amylase.

Proteases break down small proteins in the small intestine into amino acids. Which of the following in the diagram below would represent the amino acids?  

The overall function of light dependent reactions is to convert solar energy into chemical energy. This is an example of:

Where does the oxygen that organisms use to produce ATP come from?

Which of the following types of energy contribute to the entropy of the universe?

A drug to treat tuberculosis infections block a subunit of ATP synthase. What process would be halted in the bacterial cells?