Metabolism

Question 1

What is the energy released by respiration used for

Answer 1

It is used by enzymes to synthesize new molecules in the cell

Question 2

What is metabolism

Answer 2

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

Question 3

Glucose in plants

Answer 3

. Glucose in converted into cellulose which strengthens the plant cell wall
. Glucose is converted into starch which is a storage form of glucose
. Glucose is reacted with nitrate ions which forms amino acids used to synthesize proteins
.

Question 4

Glucose in humans

Answer 4

Glucose is converted into glycogen which is a storage form of glucose

Question 5

Metabolism reaction

Answer 5

1 glycerol molecule + 3 fatty acid molecules —> lipid molecule, found in the cell membrane

Question 6

Proteins

Answer 6

Humans don’t need to eat a large amount of protein
Excess proteins are broken down into the chemical urea
The urea is then excreted by the kidneys