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Cell Bio
Studying for cell bio final
13
Biology
Undergraduate 2
12/12/2015

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Term
Enzyme Coupling
Definition
Use of an enzyme to speed up a action
the use of an exergonic process to drive and endergonic process
Term
Endergonic Reaction
Definition
a process which absorbs free energy from the surroundings
Term
Exergonic Reaction
Definition
a process with a net release of free energy
Term
Substrate Level Phosphorylation
Definition
Formation of ATP of GTP by transfer of a Phosphate (P) from a phosphoryl group.
Term
Phosphoryl group
Definition
PO3(2-) This can be in different protonation states, A common one is phosphoryl chloride.
Term
Chemiosmotic Coupling
Definition
Energy conversion by the mitochondrial membrane.
The process that links the electron transport chain to ATP synthesis.
Term
Catabolism
Definition
Breaks down molecules to smaller units.
Oxidized to release energy or used in anabolic reactions
Term
Anabolism
Definition
Constructs molecules from smaller units.
Requires ATP
Term
Mitochondia Matrix
Definition
The very center of the mitochondria/ middle of the mitochondria.
A lower H+ concentration than the inter membrane space.
Term
Intermembrane Space
Definition
A higher proton concentration than the matrix. Between inner and outer membranes.
Term
Dehydrogenase
Definition
Takes the H+ off of other molecules and puts them of FAD and NAD+
Term
Glycolisis
Definition
Glycolysis is the first stage of cellular respiration, it occurs within the cytoplasm of the cell.
t is the splitting of glucose into 2 glyceradehyde molecules which are converted into 2 pyruvate molecules. It also produces 2 NADH + 2ATP.
Term
TCA Cycle/ Krebs Cycle
Definition
The Krebs Cycle is the third stage in cellular respiration
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