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Biochem review
Energy Compounds
37
Chemistry
Professional
06/27/2012

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Term
____ is the phosphorylated form of NAD (Nicotinamide Adenine Dinucleotide)
Definition
NADP (nicotinamide adenine dinucleotide phosphate)
Term
___ is used in anabolic reactions, such as lipid and nucleic acid synthesis and pentose phosphate pathway which will require NADPH as a reducing agent
Definition
NADP
Term
___ is the reduced form of NAD and is given off in the Krebs cycle to make ATP.
Definition
NADH
Term
Both ___ and ____ facilitate the transport of electrons from the Krebs cycle to the Electron transport chain
Definition
NAD and FAD (flavin adenine dinucleotide)
Term
What are the 4 basic energy fuels for the body?
Definition
carbs, protein, fats, alcohol
Term
____ of energy fuels results in heat generation and ATP synthesis
Definition
Catabolism
Term
___ is the universal energy currency for the body
Definition
ATP
Term
___ is a degradative process which breaks down large molecules into smaller units releasing useful energy
Definition
Catabolism
Term
___ is a biosynthetic process which constructs large molecules from smaller units. These reactions require energy
Definition
Anabolism
Term
___ bond is a covalent bond formed between two molecules when the carboxyl group of one molecule reacts with amino group of the other molecule, thereby releasing a molecule of water (H2O)
Definition
Peptide
Term
___ bonds are known as dehydration synthesis(condensation) reactions and usually occurs between amino acids
Definition
Peptide
Term
___ bond results from a dipole-dipole force with a hydrogen atom bonded to nitrogen, oxygen, or fluorine (highly electronegative atom)
Definition
Hydrogen
Term
___ are the chemical bonds found between the bases in DNA and RNA
Definition
H-Bonds
Term
___ bond is the chemical covalent bond between glycerol and fatty acids
Definition
Ester
Term
___ consists of an inorganic or organic acid in which at least one -OH (hydroxyl) group is replaced by an -O (akyl) group
Definition
Ester bonds
Term
___ bond is the chemical bond between two sugars
Definition
Glycosidic
Term
____ is the chemical bond between two nucleotides.
Definition
Phosphodiester
Term
___ is a group of strong covalent bonds between the phosphorus atom in a phosphate group and two other molecules over two ester bonds
Definition
Phosphodiester
Term
___ is a generalized statement regarding either a substrate or an end product
Definition
Purpose of a metabolic pathway
Term
___ is the particular site in the body where the pathway is most important
Definition
Tissue location of a metabolic pathway
Term
___ is where the cell the pathway occurs: cytosol or mitochondria or both
Definition
Cell site of a metabolic pathway
Term
Mitochondria cell site of a metabolic pathway consists of ___
Definition
fatty acid oxidation, TCA cycle and oxidative phosphorylation
Term
Cytoplasm cell site of a metabolic pathway consists of ____
Definition
glycolysis, fatty acid synthesis, HMP shunt and protein synthesis
Term
Both cytoplasm and mitochondria metabolic pathway locations consists of ___
Definition
heme synthesis, urea cycle, and gluconeogenesis (HUG takes 2)
Term
____ is the metabolic pathway is the overall reaction sequence and the number of stages of reactions
Definition
sequence of events
Term
____ is the metabolic pathway is the steps that control (rate limiting) points or for main branch points
Definition
Key steps
Term
___ is the crucial step that controls how fast or slow the pathways go in the metabolic pathway
Definition
Rate limiting step
Term
The rate limiting step in glycolysis is
Definition
phosphofructokinase
Term
The rate limiting step in gluconeogenesis
Definition
fructose- 1,6 bisphosphatase
Term
The rate limiting step in TCA cycle
Definition
isocitrate dehydrogenase
Term
The rate limiting step in glycogen synthesis
Definition
glycogen synthase
Term
The rate limiting step in glycogenolysis
Definition
glycogen phosphorylase
Term
The rate limiting step in HMP shunt
Definition
glucose 6 phosphate dehydrogenase
Term
The rate limiting step in the urea cycle
Definition
carbamoyl phosphate synthetase
Term
The rate limiting step in fatty acid synthesis
Definition
acetyl-CoA carboxylase
Term
The rate limiting step in fatty acid oxidation
Definition
carnitine acyltransferase
Term
The rate limiting step in cholesterol synthesis
Definition
HMG-CoA reductase
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