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BIOD 171 EXAM 2 QUESTIONS AND VERIFIED DETAILED ANSWERS
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BIOD 171 EXAM 2 QUESTIONS AND VERIFIED DETAILEDANSWERS 2024-2025
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 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.
Which of the following metabolic processes will be involved when there is cellular injury
and during such a time in the growth and repair phases of the cell? - ANS 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 obtaining its energy by transferring electrons out of elemental sulfur would
be considered - ANSWER Lithotroph
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