Metabolism

Question 1

Definition of metabolism

Answer 1

Metabolism is the sum of all the reactions in a cell or the body

Question 2

Describe how reactions in a cell works

Answer 2

In a cell there are lots of chemical reactions happening all the time which are controlled by enzymes. many of these reactions are linked together to form bigger reactions. REACTANT—enzyme—>PRODUCT—enzyme—>PRODUCT—enzyme—>PRODUCT.

Question 3

Describe how larger molecules are made in some reactions

Answer 3

Larger molecules are made from smaller molecules during a reaction. For example: Lots of small glucose molecules are joined together to form starch, glycogen and cellulose

Question 4

Describe how Larger molecules are broken down in others reactions

Answer 4

They are broken down into smaller molecules. For example Glucose is broken down in respiration