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1788990
Metabolism: Nov 6 2014
Descrição
Metabolism, Biochemistry 2020
Sem etiquetas
biochemistry
university
Mapa Mental por
atiyya
, atualizado more than 1 year ago
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Criado por
atiyya
mais de 9 anos atrás
35
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Resumo de Recurso
Metabolism: Nov 6 2014
Structure
pathway
Catabolic
degradation of biomolecule
polymer
fat
sugar
protein
oxidative process
reduce co factor
NADH
NADPH
FADH2
exorgonic
spontaneous
anabolic
synthesize biomolecule
increase energy
reduction
oxidize cofactor
use ATP
FAD
NADP+
NAD+
Metabolite
form stable intermediate
form stable products
change in original reactant
organize series of reactions
Purpose
energy
cause change in cell
movement
cell
molecule
growth
make/break biomolecule
photosynthesis
use light
non photosynthetic
carbs
fat
drive thermodynamically unfavourable reactions
Activated Carriers
store energy
NAD+
nicotinamide ring
attacked by H
need niacin vitamin
oxidizing agent
becomes reduced
gain H
store 1 electron
FAD
OXIDIZING AGENT
reduce to FADH2
holds 2 electrons
C-C to C=C
2 Carbon fragment
coenzyme A (S-CoA)
from vitamin D5
Acetyl group
C-S-CoA
molecule more reactive
activated for reaction
Acyl CoA
fat
temporary electron carrier
via cofactor
types
heterotrophs
feed on others
carbon
fat
aerobes
use O2
anaerobes
no O2
Autrotrophs
self feed
CO2
Stages
1. Digestion
break down molecules
a preparatory stage
no ATP made
Stage 2
make small substrate
make Acetyl Co A
end up with some ATP
from
protein (amino acid)
polysaccharide (glucose+sugar)
fat (fatty acid + glycerol)
stage 3
acetyl group
oxidation
lots of ATP
Acetyl CoA
CoA
Citric Acid cycle
2 CO2
8 electrons
oxidative phosphorylation
lots of ATP
water released
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