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Cell Metabolism
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all chemical reactions that occur in a cell
metabolism
what is catabolism and what does it involve
decomposition process
breakdown of organic materials
carbs, fats, proteins
Stores Energy (ATP)
amount of energy needed to raise 1 mL of water 1degree celsius
calorie
3 stages of cellular Respiration
Glycolysis
Krebs Cycle (TCA)
Electron Transport System
Glycolysis
first of several reactions in CR
occurs in cytoplasm
the one metabolic pathway found in all living organisms
process makes large amnts of glucose but limited ATP production per molecule of glucose.
way of producing ATP during brief periods of lack of oxygen
vigorous exercise
in cytoplasm
NAD hydrogen carrier
ATP
adenosine triphosphate
1 mole ATP =
7 Kcal
ATP is
transfer of energy from carbs fats and proteins to many different energy requiring processes in the cell
ADP
adenosine diphosphate
AMP
adenosine monophosphate
Need ATP for ...
active transport
muscle contraction
growth / mitosis
brain / nerve transmission
how many ATP produced per glucose molecule in glycolysis?
2
Krebs Cycle (Citric Acid Cycle) (TCA Cycle)
series of several rxns controlled by enzymes in the mitochondria
function is to free hydrogen
REDOX reactions (oilrig)
1 glucose = 2 pyruvates
8NADH
6CO2
2ATP
2FADH2
oxidation
loss of electrons with or without their hydrogens
reduction
gain of electrons with or without their hydrogens
Electon Transport System (Oxidative Phosphorylation)
the use of oxidation to add Phosphorous to ADP to make ATP
the passing of hydrogen atoms or its electron from one carrier molecule to another to release energy (redox rxn)
electron carrier molecules (coenzymes)
ATP production
election carrier molecules
NAD
FAD
CoQ
Cytochromes
transfer hydrogens
NAD
FAD
Flavin Adonine Dinucleotide
need riboflavin to make it
Cytochromes
transfer electrons
contain iron or copper
CoQ
transfer electrons
Author
Anonymous
ID
109801
Card Set
Cell Metabolism
Description
Cell Metabolism
Updated
10/18/2011, 3:25:12 AM
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