Module 2 exam portage learning microbio 171 BIOD
True or false: metabolism is a controlled set of biochemical reactions that occur in living organisms in order to maintain life. - ANSWER-True
True or false: enzymes slow down chemical reactions to conserve energy - ANSWER-false, they speed u...
True or false: metabolism is a controlled set of biochemical reactions that occur in living organisms in
order to maintain life. - ANSWER-True
True or false: enzymes slow down chemical reactions to conserve energy - ANSWER-false, they speed up
(catalyze) chemical reactions
The term for metal ions that assist enzymes during the catalysis reaction - ANSWER-cofactors
What is 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-anabolism
An organism that obtains its energy (derives ATP) from photons of light is called a __________________
- ANSWER-phototrophic microorganism
An organism that derives its energy by removing electrons from elemental sulfur would be classified as a
____________ - ANSWER-Lithotroph
Describe the energy transfer process relative to both ADP and ATP - ANSWER-ATP has the energy
(phosphate group) to donate, and ADP can accept energy in the form of a phosphate group. Thus, ATP
can be dephosphorylated (ATP-----> ADP + Pi), while ADP can be dephosphorylated into ATP (ADP + Pi
-----> ATP)
This phosphorylation process occurs in the mitochondria of chemotropic eukaryotes - ANSWER-oxidative
phosphorylation
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