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CWRU-BIO215-Exam | Questions with 100% Correct Answer
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CWRU-BIO215-Exam | Questions with100% Correct Answers
Why ATP - ✔ATP is right int eh middle in terms of how much energy it releases so it
requires the least amount of reactions to reform ATP
opposing charges
resonance destabilization
free energy of hydrolysis
Function of an enzyme - ✔speeding up the reactions that occur in a cell
active sight of an enzyme - ✔the active sight is the place where the substrate binds and helps
facilitate interactions between molecules (usually created by folds in the protein) arrangement
determines what can bind with it
Why living things require enzymes - ✔reactions would take to long to occur without
enzymes and the activation energy would be much higher.
how do enzymes lower Eₐ - ✔increase local substrate
correctly rents substrates so they can interact
,staining of substrate bonds
provide favorable orientation
oxidoreductases - ✔reduction reactions (catalyze transfer of electrons)
transferases - ✔transfer functional groups
hydrolases - ✔hydrolic cleavage of one molecule into 2
lyases - ✔removal of a group from or addition of a group due to the rearrangement
of electrons
isomerase - ✔movement of a functional group within a molecule
ligase - ✔joining of two molecules to from a single molecule
nucleases - ✔break down of nucleic acids by hydrolyzing bonds ( this is a form hydrolase)
protease - ✔break down of proteins by hydrolyzing bonds between amino acids ( this si a
from of hydrolase)
synthase - ✔synthesizes molecules in anabolic reaction by condensing two small er
ones together ( this is a type of ligase)
phosphorylase - ✔catalyses the addition of an inorganic phosphate (PO4)^-3
kinase - ✔addition of an inorganic phosphate (PO4)^-3 from an ATP to a target molecule
, phosphates - ✔hydrolic removal of an inorganic phosphate (PO4)^-3 from a target
ATPase - ✔hydrolyse ATP to make ADP+ inorganic Phosphate
ATP synthase - ✔synthesize ATP
Enzyme regulation
Inhibitors - ✔inhibitors bind to the active sight and stops a substrate from binding to
the active sight
Enzyme Regulation
allosteric activator - ✔substrate binds to allosteric sight to allow a substrate to bind after
the conformation change
Enzyme Regulation
allosteric inhibitor - ✔binds to allosteric sight to change the enzyme conformation so that
the substrate cannot bind
spectophotometry - ✔passes light through a sample and detects how much light is
absorbed by the sample
Michaelis- Menton Kinetics - ✔Reaction happens quicker the higher the concentration.
The higher the velocity the less like things are to bind together naturally.
Michaelis- Menton equation - ✔
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