Portage Learning BIOD 171 Module 2
EXAM MODULE 2
1. 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.
False. Metabolism occurs in all living organisms, not just those t...
portage learning biod 171 module 2 exam module 2 1 true or false as movement requires energy
metabolism can be defined as a controlled set of biochemical reactions that occur in only motile organis
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Portage Learning BIOD 171 Module 2
EXAM MODULE 2
1. 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.
False. Metabolism occurs in all living organisms, not just those that move.
2. True or False: Enzymes slow down chemical reactions to conserve
energy.
False. Enzyme catalyze (speed up) chemical reactions.
3. What is a cofactor? And give a general example.
A cofactor is a small chemical component that assists an enzyme during the
catalysis reactions. A cofactor is usually metal ions.
4. Define anabolism.
Anabolism is the process of building up or biosynthesis of macromolecules
from small molecular units into much larger complexes.
5. In order to convert proteins into amino acids which metabolic process
would be active?
Catabolism would be active as proteins are made up of amino acids.
Therefore the process described (proteins into amino acids) is the
breakdown, or catabolism of protein.
6. Describe the energy transfer process relative to both ATP and ADP
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).
7. An organism that derives its energy (generates ATP) from photons of
light is called a ?
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