4.4.2.3 metabolism

Question 1

Define metabolism

Answer 1

The sum of all the chemical reactions in the body in order to maintain life.

Question 2

What is metabolic rate?

Answer 2

The speed at which chemical reactions occur

Question 3

What are exothermic reactions?

Answer 3

This is when bonds are made where energy is released upon formation.

Question 4

What are endothermic reactions?

Answer 4

This is when bonds are broken where energy is needed to break these bonds.

Question 5

What is fermentation?

Answer 5

The making of beers / wine from yeast which performs anaerobic respiration

Question 6

What is the word equation for fermentation?

Answer 6

Glucose = ethanol and carbon dioxide

Question 7

What is the number equation for fermentation?

Answer 7

C6H12O6 = 2C2 H5 OH + 2CO2

Question 8

People who are more _________ have a higher metabolic rate.

Answer 8

Muscular

Question 9

What is glucose converted into within humans?

Answer 9

Glycogen ( storage form of glucose )

Question 10

How is a lipid formed?

Answer 10

1 glycerol molecule + 3 fatty molecules = lipid found in the cell membrane

Question 11

What are excess proteins broken down into?

Answer 11

The chemical urea, which is then excreted but kidneys.