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Graduate Biochemistry Questions

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Graduate Macromolecules
Lipids are all                .
  1. hydrophonic
  2. hydrophilic
  3. hydrophobic
  4. hydrolytic
Graduate Macromolecules
What is the chemical equation for glucose?
  1. C2H4O2
  2. C4H8O4
  3. C6H12O6
  4. C8H16O8
Graduate Macromolecules
What is another name for the polymers of carbohydrates?
  1. Triglycerides
  2. Polysaccharides
  3. Polypeptides
  4. Nucleotides
Graduate Macromolecules
Based on the suffix, a molecule of "maltose" is most likely what type of macromolecule?
  1. Carbohydrate
  2. Lipid
  3. Protein
  4. Nucleic acid
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
What are the monomers of proteins?
  1. Hydrochloric acids
  2. Nucleic acids
  3. Carboxylic acids
  4. Amino acids
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 Biochemistry
Which is not one of the four atoms that make up the bulk of living organisms?
  1. Oxygen
  2. Nitrogen
  3. Calcium
  4. Carbon
Graduate Macromolecules
Which would have the highest concentration of C-H bonds?
  1. Saturated fat
  2. Unsaturated fat
  3. Trans fat
  4. Cholesterol
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 Biochemical Pathways
Organize the following steps of the light reaction in order.
  1. Absorb sunlight, produce high-energy electron carriers, produce oxygen, split water
  2. Absorb sunlight, produce high-energy electron carriers, split water, produce oxygen
  3. Absorb sunlight, split water, produce oxygen, produce high-energy electron carriers
  4. Absorb sunlight, produce oxygen, split water, produce high-energy electron carriers
Graduate Macromolecules
The functional group -NH2 is called the                 group.
  1. methyl
  2. alcohol
  3. amino
  4. carboxyl
Graduate Biochemical Pathways
NADH is anaerobically produced in what pathway(s)?
  1. Glycolysis
  2. Oxidative Phosphorylation
  3. Gluconeogenesis
  4. Two of the Above
  5. All of the Above
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