Question: 7). What type of molecule is NAD+? Describe the role of NAD+ in cellular respiration. Why is it i…

7). What type of molecule is NAD+? Describe the role of NAD+ in
cellular respiration. Why is it important to regenerate NAD+
(listen to the VoiceThread for more information)?

8). What is the primary purpose of fermentation? What is the net
energy gain per molecule of glucose from fermentation?

9). The first law of Thermodynamics says that energy can neither
be created nor destroyed. But people often say, or feel, that they
run out of energy by the end of the day. Does this feeling violate
the laws of Thermodynamics? Why, or why not? Be sure to include
what happens to the energy people feel they lose in your
answer.