Exam (elaborations)
Basic Enzymology.
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Exam of 7 pages for the course EPA 609 Practice at EPA 609 Practice (Basic Enzymology.)
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Basic EnzymologyPhysiology - correct answer-- The study of function
Homeostasis - correct answer-- maintenance of the same state
- maintaining order
- requires energy and a means to utilized the energy
Glucose
Fatty Acids
Amino Acids
Volatile Fatty Acids
Ketone - correct answer-- Sources of energy
Anabolism - correct answer-- the manufacture of large and complex molecules
- "the building up"
Catabolism - correct answer-- the breakdown of larger molecules into smaller ones
- "the breaking down"
Catabolic - correct answer-- term that refers to the biochemical pathways involved in
catabolism
Metabolism - correct answer-- the sum total of biochemical reactions in an organism
- the sum total of all the anabolic & catabolic reactions plus the reactions needed to get rid of
waste
Enzymes - correct answer-- the functional unit of metabolism
- they are molecules and are NOT alive
- Biological catalysts because they increase the rate of a chemical reaction without being
consumed in the reaction
Energy - correct answer-- the ability to perform work
breaking bonds - correct answer-How do cells get the energy needed to perform
homeostasis?
speed up receiving that energy - correct answer-Why do enzymes catalyze the breaking of
bonds?
True - correct answer-T/F: A chemical reaction can occur inside of a living system without
the use of enzymes?
True - correct answer-T/F: Chemical reactions occur at rates that are too slow to support life,
therefore enzymes are present in all organisms.
, types of reactions they catalyze - correct answer-How are enzymes classified?
glycoproteins - correct answer-All enzymes are _______.
it ends in -ase - correct answer-How do you know you are dealing with an enzyme just by
reading the name?
Oxidoreductases - correct answer-Enzymes that catalyze oxidation-reduction reaction
reduced - correct answer-If something somewhere is getting oxidized, then something
elsewhere is getting _______.
Oxidation - correct answer-- Loss of 1 or more electron
Reductin - correct answer-- Gain of 1 or more electron
Hydrogen - correct answer-What did you lose if you you lost a proton and an electron
Transferases - correct answer-- Catalyze transfer of C-, N-, or P- containing groups
- The transfering of a whole functional group
they all move a phosphate from ATP - correct answer-What do all kinases have in common?
Hydrolases - correct answer-- Catalyze cleavage of bonds by addition of water
liver cells - correct answer-What are the only cells that make urea?
Urease - correct answer-- Important enzyme for microbes that live in the GI tract of ruminant
animals
lipases
amylases
proteases - correct answer-Examples of hydrolases
secrete - correct answer-What does the ending -crine mean?
outside - correct answer-What does the prefix Exo- mean?
Secrete outside of body - correct answer-Based on the roots what does exocrine mean?
False - correct answer-T/F: The alimentary canal is considered inside the body
Lyasis - correct answer-- Catalyze cleavage of C-C, C-S, and certain C-N bonds
Isomerases - correct answer-- catalyze racemization of optical or geometric isomers
Ligases - correct answer-- Catalyze formation of bonds between Carbon and O, S, N,
coupled to hydrolysis of high-energy phosphates
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