BIOD 171 Exam study 2 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
True or False: As movement requires energy, metabolism can be defined as a controlled set of
biochemical reactions that occur in only motile organisms in order to maintain life. - CORRECT
ANSWER - False; Metabolism occurs in all living organisms, not just those that move.
True or False: Enzymes slow down chemical reactions to conserve energy. - CORRECT
ANSWER - Enzyme catalyze (speed up) chemical reactions.
What is the term for metal ions that assist enzymes during the catalysis reaction? - CORRECT
ANSWER - Cofactors are usually metal ions and assist enzymes during the catalysis
reaction.
Define catabolism. - CORRECT ANSWER - Catabolism is 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? - CORRECT ANSWER - The anabolic process would be active as it (by
definition) is involved in the building up of small complexes into larger complexes.
Describe the energy transfer process relative to both ATP and ADP. - CORRECT
ANSWER - ATP can give a phosphate to generate energy. ADP can accept energy.
From what source do chemotrophs acquire energy? - CORRECT ANSWER -
Chemotrophs acquire energy from preformed chemicals found in the environment.
An organism that derives its energy by removing electrons from elemental sulfur would be
classified as a __________? - CORRECT ANSWER - Lithotroph
ACTUAL Exam Questions and CORRECT
Answers
True or False: As movement requires energy, metabolism can be defined as a controlled set of
biochemical reactions that occur in only motile organisms in order to maintain life. - CORRECT
ANSWER - False; Metabolism occurs in all living organisms, not just those that move.
True or False: Enzymes slow down chemical reactions to conserve energy. - CORRECT
ANSWER - Enzyme catalyze (speed up) chemical reactions.
What is the term for metal ions that assist enzymes during the catalysis reaction? - CORRECT
ANSWER - Cofactors are usually metal ions and assist enzymes during the catalysis
reaction.
Define catabolism. - CORRECT ANSWER - Catabolism is 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? - CORRECT ANSWER - The anabolic process would be active as it (by
definition) is involved in the building up of small complexes into larger complexes.
Describe the energy transfer process relative to both ATP and ADP. - CORRECT
ANSWER - ATP can give a phosphate to generate energy. ADP can accept energy.
From what source do chemotrophs acquire energy? - CORRECT ANSWER -
Chemotrophs acquire energy from preformed chemicals found in the environment.
An organism that derives its energy by removing electrons from elemental sulfur would be
classified as a __________? - CORRECT ANSWER - Lithotroph
