Question

2. Write definitions.
a. Nutrition. b. Nutrients
c. Proteins. d. Cellular respiration
e. Aerobic respiration.
f. Glycolysis.​

Answer 1

1. Nutrition → Nutrition is providing or obtaining food that is necessary for growth.

2. Nutrients → It is a substance which helps us to survive, growth, reproduction. It is very necessary for us.

3. Protein → Protein is a very complex substance which is made up of amino acid, hydrogen, oxygen. Sulfur may be or may be not present in the protein.

4. Cellular respiration → The process in which cell break down glucose and then produce energy and create ATP molecules.

5. Aerobic respiration → The process of breaking down of food in the presence of oxygen is called aerobic respiration. It releases lots of energy in the form of ATP molecules.

6. Glycolusis →The process of breaking down of sugar (glucose) and produce energy in the form of ATP and NADH molecules.

Answer 2

Explanation:

a. the process of intake of food for the body growth and functioning.

b. substances that provide nutrition

c. large biomolecules containing chains of amino acids

d. metabolic reaction takes place inside the cell

e. respiration in presence of the oxygen

f. metabolic pathway that converts glucose into pyruvate