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AQA A Level Biology复习笔记1.6.1 The Structure of ATP
Category:
A-level课程
,
教材笔记
,
福利干货
Date: 2022年6月27日 上午11:35
The Structure of ATP
All organisms require a constant supply of energy to maintain their cells and stay alive
This energy is required:
In anabolic reactions – building larger molecules from smaller molecules
To move substances across the cell membrane (active transport) or to move substances within the cell
In animals, energy is required:
For muscle contraction – to coordinate movement at the whole-organism level
In the conduction of nerve impulses, as well as many other cellular processes
In all known forms of life, ATP from respiration is used to transfer energy in all energy-requiring processes in cells
This is why ATP is known as the universal energy currency
Adenosine Triphosphate (ATP)
is a
nucleotide
The monomers of DNA and RNA are also nucleotide
ATP
Adenosine triphosphate
(ATP) is the energy-carrying molecule that provides the energy to drive many processes inside living cells
ATP is
another type of nucleic acid
and hence it is structurally very similar to the nucleotides that make up DNA and RNA
It is a
phosphorylated
nucleotide
Adenosine (a nucleoside) can be combined with one, two or three phosphate groups
One phosphate group =
adenosine monophosphate
(AMP)
Two phosphate groups =
adenosine diphosphate
(ADP)
Three phosphate groups =
adenosine triphosphate
(ATP)
The structure of AMP, ADP and ATP
转载自savemyexams
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