BIOCHEM CH 15 REVIEW

Fuels are degraded and large molecules are constructed step by step in a series of linked reactions. What type of reaction corresponds to this statement?

• cellular respiration

• photosynthesis

• catabolic reaction

• metabolic pathway

What type of reactions require energy?

• anabolic

• catabolic

• biochemical

• spontaneous

A thermodynamically unfavorable reaction is driven by

• free energy

• a thermodynamically favorable reaction to which it is couples

• a catabolic reaction

• an anabolic reaction

What process causes the formation of ATP?

• oxidation

• hydrolysis

• dephosphorylation

• isomerization

What is the primary role of catabolism?

• generation of complex structures from simple ones

• generation of acetyl CoA

• generation of ATP

• degradation of biomolecules

What is the ultimate product of oxidation in aerobic organisms?

• O₂

• H₂O

• pyruvate

• CO₂

The reaction of rearrangement of atoms to form isomers is:

• oxidation-reduction

• group transfer

• isomerization

• hydrolytic

Scurvy, a disease characterized by skin lesions and blood-vessel fragility, is caused by the deficiency of vitamin

• A

• B12

• C

• D

What substance serves as the electron donor for most reductive biosynthetic pathways?

• NADPH

• NADH

• FAD

• NAD+

What type of organisms obtain energy from oxidation of complex carbon molecules?

• chemotrophs

• phototrophs

• heterotrophs

• autotrophs