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13.energy and Respiration

The document outlines the processes of aerobic and anaerobic respiration, detailing the chemical reactions involved in ATP production. It explains the roles of glycolysis, the Krebs cycle, and oxidative phosphorylation in energy metabolism, highlighting the differences between aerobic and anaerobic pathways. Additionally, it discusses the importance of electron carriers like NADH and FADH2 in facilitating these processes.

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0% found this document useful (0 votes)
36 views6 pages

13.energy and Respiration

The document outlines the processes of aerobic and anaerobic respiration, detailing the chemical reactions involved in ATP production. It explains the roles of glycolysis, the Krebs cycle, and oxidative phosphorylation in energy metabolism, highlighting the differences between aerobic and anaerobic pathways. Additionally, it discusses the importance of electron carriers like NADH and FADH2 in facilitating these processes.

Uploaded by

Sandy Codfish
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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19 And

Aerobic
.

Energy
Respiration
Respiration
heal ATP

C6HpOs + 60s - 6 (02 + 6H ,


O+
Energy
Plant/yeast CsHizOg 2 C Hy04(hol) + 2 ATP
~
>
-
2 C0, +

Anaerobic Respiration
2
-

only in cytoplasm
·

incomplete brokenGown
lactic unid
of substrate bacteria CsHizOs 2 (sHoOs (lastic ain) + 2 ATP
C &
>
-

muscle

Oxidation : add 0 lose It


reduction : add # lose O

reduction
H
ADT of

&
e-

E
NADI act
protons and electrons
+ ·

as carriers
o NAD
aerobic
respiration

Penzymes
O
AD + H e
HO
AD
not IH , just marker

(used
o
HADP+He e s

-
NADPH
reduced
=

NADP
for photosynthesis)
Mitochondria Aerobic Respiration
membrane
Binner

&
Outer membrane

E matrix

D Cristae


i
Phoryntermembrane spee

① substrate
phosphorylation)
level

3
aerobic

(
② Oxidative phosphorylation produce ATP


later~
photophosphorylatio clarify(photosynthesis)
last
step of aerobic respiration
*. +
ADP- > ATP + E
ATP produce synthesize
synthase ATP
=

APP + Pi +
Energy >
- ATP + H20 (condensation reactions
*
inorganic Phosphate group

higthe
intermembrane

Cohig#Popup
hot cre Espace
=

atrix =
low Ht
than 5 K]/mo)
130 .

Cless 545
energy
Adenosine adenine tribe e
30 .

-energy =

ATP- ADP >

NADP nicotinamide
·

high turnover rate

& NADH small & unreactive& soluble


·

reduction -

"Cash flow" in
·

body
dehydrogenase ·

·
reversible reaction
short ter

anabolic =
synthesize
Metabolism X catabolic- breaking
&
condensation
down

hydrolysis
·

ATP H -
N
=
H

-5-o-o-o- do
O

d d

Aerobic Respiration
Substrate I
Phosphorylation

E
④ in
Cytoplasm
:

is
=> Level ATP
d
Glucose >
-

Pyruvate +

E
Oxidation Reaction => No ATP
make Pyruvate
20-enzyme
·
NADH Pyruvate Acetyl >
-
CoA
·

FADH2
③ Krebs cycle) Citric > Substrate-level 2ATP
Cycle phosphorylation
Acid =

Mitochondric
t
Oxidative
④ Oxidative Phosphorylation
=
Electron transport + smosis
-

->
phosphorylation 34 ATP =
38ATP in total

creates
gradient need Ht conc
gradient
more protons (more ATPsS
&
NADH 5/3 ATP
& Carry
1 >
- 2 .

protons delectrons
1 FADH2 > 1 ,
5/2 ATP
2NA1
① Glycolysis
*

( glucose (6)
phosphorylation
>
-


#
fructose
phosphate (62) >
-


fructose biophosphate (6)
strisse phosphate (3c)
2 redrich L
NAD ATP ATP
- * isomers btw

4 ATP-IATP ZATP
E
=

intermediates
pyruvates (32)
2
2ATPN INAD >
-
INADH (or reduced NAD]
& ATP
Matrix :
& Link Reation & & Krebs cycle
Inner Mitochondria Membrane =
Oxidative phosphorylation &
remove & electrons from food
Dehydrogenase =

protons

& Link reaction = introduce


groups (ignore coA as it's
only o-enzymes

pyruvate + coA + NAD -


>
Acetyl CoA + CO2 + NADH

③ Krebs Cycle e ATP per 1


Pyruvate 2
=

2 ATP per 1 Glucose =


Pyruvat

& NADH 3 ATP


=

I FADH =
ZATP

3074 + 4= 38AT
(in
Phosphorylation
Oxidative inner mitochondrial membrane
ETC =
series of protein complex in inner mitochondria membrane that transports electrons
Oxidative
>
-
Phosphyralation = Coupled reaction
> Chemiosmosis
-

ETC Celectron transport chain

NADH-NaP => TH + = +

Chemiosmosis = ATP Synthesis powered by flow of Ht


-
back

d
NADH & FADH, ETC

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