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Summary AQA ALEVEL BIOLOGY NOTES ON ATP AS LEVEL
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ALEVEL NOTES ON THE BIOLOGICAL TOPIC- ATP ADJUSTED TO THE AQA SPECIFICATION AND MADE FROM MARKSCHEMES
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ATP-
whydoweneedenergy.ly -
Duringrespiration.ge
Plants and for biological Plants and animal cells
energy from
animal need processes to release
.
cells energy occur
•
.
.
For example :
glucose
- this is
respiration .
Active transport since cell can't
get energy directly from
-
.
a
replication glucose
4
-
DNA
hence
-
Cell division
Protein
synthesis Energy released from
glucose used to make
.
-
is
ATP .
ATPstandsforAdenosine-Triphosphate.AM is known as a nucleotide derivative since it is a modified form of a nucleotide .
AEase,
whereistheenergystore.to?---
phosphate groups
.
The
energy
in ATP is stored in
high energy bonds between the phosphate
sugar groups .
ATP diffuses part of
•
Once is made , it to the the cell that needs energy .
Makingand.us#ngATff
•
When
energy
is needed
by a cell, ATP is broken down into AIP ( adenosine tiphosp hate) and P, (
inorganic c single ] phosphate) in
the presence of water .
Under the of phosphate broken released
enzyme ATP hydrolase
•
catalysation ,
a bond is and energy is .
•
This is a
hydrolysis reaction .
A A ,p
A5ase,
( base )
③ hydrolase
t →
Energy sugar
1- ①
sugar WATER released INORGANIC
ADENOSINE IHHOSPHATE PHOSPHATE
ADENOSINE TRIPHOSPHATE
released LP ;) be added to compound to make it reactive this
The
inorganic phosphate can a more is known as
phosphorylation
•
,
.
ATPSynthesisf.AM can be re
synthesised (remade) in a condensation reaction between ADI and P;
during respiration and
photosynthesis .
•
This process is catalysed by the
enzyme ATP synthase .
Adeni A ,p
A5ase, phosphate
bond
synthase f)
sugar
to →
Energy sugar
INORGANIC
USED
ADENOSINE TRIPHOSPHATE
ADENOSINE IHHOSPHATE PHOSPHATE
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