1. T/F: The principal hydrogen-atom-carrier molecules in
cells are composed of nucleotides.
2. In an experiment, mice were fed glucose (C6H12O6) containing a small amount
of radioactive oxygen. The mice were closely monitored, and in a few
minutes radioactive oxygen atoms showed up in _____.
carbon dioxide
NADH
water
ATP
oxygen gas
3. The energy given up by electrons as they move through the
__________________________ is used to _________________________ into
the intermembrane space of the mitochondrion.
4. A chemist has discovered a drug that blocks phosphoglucoisomerase,
an enzyme that catalyzes the second reaction in glycolysis. He wants
to use the drug to kill bacteria in people with infections. Is this a good idea?
5. As Calvin and Hobbes stand there, ruminating on the vagaries of
life, how are their body cells getting the energy that allows them to
stay alive and talk and move their arms around? Please describe the
two major forms of energy harvesting in which their body cells
engage. I.e., what are the two ways it can get energy from glucose
molecules?