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Metabolism
Metabolism
5.1
Metabolism
Introduction
Metabolism refers to all chemical reactions that occur in a living organism.
The processes in metabolism involve the conversion of food into energy in the form of ATP, and the formation of carbohydrate, protein, lipid and nucleic acid.
Types of Metabolism in a Cell
Catabolism
Catabolism is the process of breaking down complex substances into simple substances.
This reaction releases energy.
For example, the breakdown of glucose during cellular respiration to generate energy.
Generally, catabolic reactions are as follows:
A
\(\rightarrow\)
B + C, where A is the substrate and B + C is the product.
Anabolism
Anabolism is the process of synthesising complex molecules from simple molecules.
This reaction uses or absorbs energy.
For example, the formation of glucose during photosynthesis.
Generally, anabolic reactions are as follows:
A + B
\(\rightarrow\)
C, where A + B is the substrate and C is the product.
Metabolism
5.1
Metabolism
Introduction
Metabolism refers to all chemical reactions that occur in a living organism.
The processes in metabolism involve the conversion of food into energy in the form of ATP, and the formation of carbohydrate, protein, lipid and nucleic acid.
Types of Metabolism in a Cell
Catabolism
Catabolism is the process of breaking down complex substances into simple substances.
This reaction releases energy.
For example, the breakdown of glucose during cellular respiration to generate energy.
Generally, catabolic reactions are as follows:
A
\(\rightarrow\)
B + C, where A is the substrate and B + C is the product.
Anabolism
Anabolism is the process of synthesising complex molecules from simple molecules.
This reaction uses or absorbs energy.
For example, the formation of glucose during photosynthesis.
Generally, anabolic reactions are as follows:
A + B
\(\rightarrow\)
C, where A + B is the substrate and C is the product.
Chapter : Metabolism and Enzymes
Topic : Metabolism
Form 4
Biology
View all notes for Biology Form 4
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Living Processes in Unicellular Organisms
Living Processes of Multicellular Organisms
Levels of Organisation
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