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Graduate Biochemistry Questions

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Graduate Macromolecules
What are the monomers of proteins?
  1. Hydrochloric acids
  2. Nucleic acids
  3. Carboxylic acids
  4. Amino acids
Graduate Macromolecules
Graduate Biochemical Pathways
Which of the following best describes the chemical equation for photosynthesis?
  1. Carbon dioxide + Sugar + Energy = Oxygen + Water
  2. Oxygen + Water + Carbon dioxide = Sugar + Energy
  3. Water + Carbon dioxide + Energy = Sugar + Oxygen
  4. Oxygen + Sugar = Water + Carbon dioxide + Energy
Graduate Macromolecules
What is the chemical equation for glucose?
  1. C2H4O2
  2. C4H8O4
  3. C6H12O6
  4. C8H16O8
Graduate Biochemical Pathways
Which polysaccharide consists of individual long, twisted, unbranched chains of glucose?
  1. Starch
  2. Cellulose
  3. Glycogen
  4. This does not describe a polysaccharide.
Graduate Biochemical Pathways
Graduate Macromolecules
Which would have the highest concentration of C-H bonds?
  1. Saturated fat
  2. Unsaturated fat
  3. Trans fat
  4. Cholesterol
Graduate Macromolecules
Which of the following large organic molecules includes table sugar?
  1. Carbohydrates
  2. Lipids
  3. Proteins
  4. Nucleic acids
Graduate Macromolecules
What is another name for the polymers of carbohydrates?
  1. Triglycerides
  2. Polysaccharides
  3. Polypeptides
  4. Nucleotides
Graduate Macromolecules
A fat is said to be saturated if                                                          .
  1. There are many double bonds present in the molecule.
  2. There are only single bonds between each pair of carbons.
  3. The fat molecule cannot contain any more covalent bonds.
  4. There are as many double bonds present as possible.
Graduate Macromolecules
Lipids are all                .
  1. hydrophonic
  2. hydrophilic
  3. hydrophobic
  4. hydrolytic
Graduate Biochemical Pathways
Identify the principal role of cellular respiration.
  1. To convert solar energy into the chemical energy of sugars
  2. To convert kinetic energy into the chemical energy of sugars
  3. To convert the chemical energy of sugars into the chemical energy that fuels life's processes
  4. To convert the chemical energy of sugars into heat to maintain an elevated body temperature
Graduate Macromolecules
What might lead to a protein that does not function properly?
  1. Incorrect folding of the amino acid chain
  2. The active site becoming blocked
  3. The active site becoming distorted
  4. All of these
Graduate Biochemistry
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