BIOD 171- Exam 2 Questions With Verified
Answers.
True or False: Metabolism is a controlled set of biochemical reactions that occur in living
organisms in to maintain life - answerTrue
T/F: Enzymes are polysaccharides that catalyze chemical reactions - answerFalse (enzymes are
proteins)
What ...
True or False: Metabolism is a controlled set of biochemical reactions that occur in living
organisms in to maintain life - answer✔True
T/F: Enzymes are polysaccharides that catalyze chemical reactions - answer✔False (enzymes are
proteins)
What are usually metal ions and assists enzyme during the catalysis reaction? -
answer✔Cofactors
Define catabolism - answer✔The process of breaking down larger molecules into useful energy
sources.
Upon cellular injury, which metabolic process is involved during the growth and repair phases of
the cell? - answer✔The anabolic process would be active as it is involved in the building up of
small complexes into larger complexes
Describe energy transfer process relative to both ATP and ADP - answer✔ATP has the energy
(phosphate group) to donate while ADP can accept energy in the form of a phosphate group.
Thus ATP can be reduced (ATP-ADP+Pi) while ADP can be built into ATP (ADP+Pi-ATP)
An organism that derives its energy (generates ATP) from photons of light is called -
answer✔Phototrophic microorganism
An organism that derives its energy by removing electrons from elemental sulfur would be
classified as - answer✔Lithotroph
A reactive intermediate would be present in which phosphorylation process - answer✔?
The chemical compound losing the phosphate group is referred to as the -
answer✔phosphorylated reactive intermediate
The catabolism of a single molecule of glucose goes through what 3 distinct transitions -
answer✔Glycolysis, Fermentation or Respiration, then the ETC- electron transport chain
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