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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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