Which of the following is true of energy? - Answers It can be converted from one form to another
Over time, without any additional input of energy what happens to molecules? - Answers They become
more disordered
Which of the following is the term that describes the accumulation of electrons (e-)? - Answers
Reduction
Which of the following is a source of potential energy in a molecule of ATP? - Answers Covalent Bonds
Which of the following will cause a release of free energy (-delta G)? - Answers Protein digestion
Which of the following will cause an increase in total energy (+ delta H)? - Answers Glycogen production
Which of the following will cause a decrease in entropy (- delta S)? - Answers Glycogen production
True or False: The amount of energy available to do work is termed total energy (H). - Answers False
What are the 3 major sources of energy that you consume in food? - Answers Proteins, Lipids,
Carbohydrates
When oxidized completely, which of the following 3 milk products will release the greatest amount of
potential energy (G)? - Answers Casein
During lipid metabolism by beta oxidation, which of the following serves as an electron acceptor (i.e. is
reduced)? - Answers NAD+
Use the figure below to determine what is necessary for the beta oxidation of lipids (like octanoic acid). -
Answers Both ATP and Oxygen
Which of the following happens to proteins from the food you eat? - Answers They can be broken into
component amino acids and reused to make new proteins
They can be broken into component amino acids and metabolized to produce energy
The following figure was created by measuring the amount of 3 different proteins (hemoglobin, globin,
and ovalbumin) that could be digested by the protease enzyme pepsin. Which of the following is true
about the action of pepsin. - Answers Pepsin can break down hemoglobin more effectively than ovalbuin
Which of the following will create 2 carbon acetyl molecules as a product? - Answers Lipid metabolism
by beta oxyidation
Protein metabolism
Glycolysis