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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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  • July 3, 2024
  • 7
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
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Basic Enzymology
Physiology - 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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