How do we get energy from the food we eat? Is this an exergonic or endergonic process? Why? How do the first and second laws of thermodynamics play a role in this process? Why is it important to have energy transferred from the food you eat to ATP?

1) Which of the following statements is true for the Second Law of Thermodynamics? a) ΔS (Sfinal-Sinitial) for the system is negative. b) The living system is not exchanging heat nor matter. c) Energy is conserved in the universe. d) The biological system never reach equilibrium.

Many factors influence the regulation of aerobic catabolism in biological cells, culminating in oxidative phosphorylation. Based on your understanding of "metabolic logic", which of the following molecules would encourage or favor catabolism? OA. ATP OB. NADH Oc. acetyl-CoA OD. ADP O E. citrate

Which of the following best describes a thermodynamically favorable (spontaneous) chemical reaction?  It has a ΔG that is greater than zero and is endergonic. It has a ΔG that is greater than zero and is exergonic. It has a ΔG that is less than zero and is endergonic. It has a ΔG that is less than zero and is exergonic.

When you exercise, your muscles are using ATP to do the movements. Thus, the cell is doing cellular respiration in order to replace the ATP it has used. A) Draw a series of diagrams showing the energy transfers that occur during exercise (include: ATP, muscle, heat, cell respiration, glucose). B) When we exercise, we produce a lot of heat, to cool us down, our body produces sweat. According to the laws of thermodynamics, where is the heat coming from? C) When we exercise to lose weight, where is that mass going (do we sweat it out, it turns into heat, becomes digestive waste, how do we eliminate it?)?

Which of the following accurately describes the enzymatic regulation of glycolysis? Glycolytic enzymes maintain a steady-state [ATP]; ATP activates the pathway, ADP and AMP inhibit it. Glycolytic enzymes maintain a steady-state [ATP]; ADP and AMP activate the pathway, ATP inhibits it. Glycolytic enzymes maintain ATP hydrolysis at equilibrium (AG = 0); ATP activates the pathway, ADP and AMP inhibit it. Glycolytic enzymes maintain ATP hydrolysis at equilibrium (AG = 0); ADP and AMP activate the pathway, ATP inhibits it.