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Basic Enzymology Study questions Solved 100% Correct
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Basic Enzymology Study questionsSolved 100% Correct
Hydrolases - ✔- Catalyze cleavage of bonds by addition of water
liver cells - ✔What are the only cells that make urea?
Urease - ✔- Important enzyme for microbes that live in the GI tract of ruminant animals
lipases
amylases
proteases - ✔Examples of hydrolases
secrete - ✔What does the ending -crine mean?
outside - ✔What does the prefix Exo- mean?
Secrete outside of body - ✔Based on the roots what does exocrine mean?
False - ✔T/F: The alimentary canal is considered inside the body
Lyasis - ✔- Catalyze cleavage of C-C, C-S, and certain C-N bonds
Isomerases - ✔- catalyze racemization of optical or geometric isomers
, Ligases - ✔- Catalyze formation of bonds between Carbon and O, S, N, coupled to hydrolysis of
high-energy phosphates
coming together (to ligate) - ✔What does lig- mean?
pH - ✔- The concentration of protons in a solution
True - ✔T/F: Enzymes work maximally over a narrow range of pH
True - ✔T/F: Energy is neither created nor destroyed, but can be converted from one form to another
False (it is always accompanied by the loss of some ability to do work) - ✔T/F: The conversion of one
form of energy to another is never accompanied by the loss of some ability to do work
Living organisms expend energy to maintain an ordered state while non living things do not - ✔What
is the difference between living and non living things?
It is found in only one compartment/organelle within the cell - ✔Most enzymes function Intracellularly.
What does this mean?
hydrogen bond interactions between peptide bond constituents - ✔The three-dimensional shape of
an enzyme is dependent on hydrogen bonds and on what else?
True - ✔T/F: Reaction velocity increases as substrate concentration increases.
Vmax - ✔- the point where above a certain substrate concentration, reaction velocity does
not increase
- When you reach this concentration it cannot work any more, no matter how much substrate is given
- maximal reaction velocity
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