Biology B4 - Metabolism

what is the energy released by respiration used by enzymes for?

to synthesise new molecules in the cell

define metabolism

the sum of all chemical reactions in a cell or the body

glucose is the starting point for many...

new chemicals

What is one way glucose is used in plant cells?

Glucose is converted into cellulose.

What is another way glucose is utilized in plant cells?

Glucose is converted into starch, which is the storage form of glucose.

How does glucose contribute to amino acid production in plant cells?

Glucose absorbs nitrate ions to produce amino acids used to synthesize proteins.

in humans and other animals what is glucose converted into

glycogen (storage form of glucose)

do humans need to eat a large amount of protein?

no

what are excess proteins broken down into?

the chemical urea

what is the urea excreted by?

kidneys

what is the last reaction of metabolism

1 molecule of glycerol reaction with 3 molecules of fatty acids to produce