Respiration

Question 1

What is respiration needed for?

Answer 1

• Chemical reactions build larger molecules
• Muscle contraction for movement
• Keeping warm

Question 2

What is aerobic respiration?

Answer 2

Where oxygen is used for complete oxidation of glucose.

Question 3

What is anaerobic respiration?

Answer 3

Where not enough oxigen is available for complete oxigination of the glucose.

Question 4

What is the Word and chemical reaction for anearobic respiration?

Answer 4

Glucose –> Lactic acid
C6H12O6 –> 2C3H6O3

Question 5

What is Anearobic repiration in plant and yeast cells?

Answer 5

Fermentation
Glucose –> Ethanol + Carbon dioxide

Question 6

What happens after a human does long periods of exercise?

Answer 6

1. The body needs more oxygen.
2. The body does not have enough oxygen for aerobic reespiration
3. Anearobic respiration occurs
4. Lactic acid builds up in muscle causing fatigue

Question 7

How is lactic acid removed?

Answer 7

Lactic acid is transported to the liver where it is converted back into glucose.

Question 8

What is metabolism?

Answer 8

Sum of all reactions in a cell or the body.

Question 9

What is the breakdown of Carbohydrates in metabolism?

Answer 9

• Synthesis of Carbohydrates from sugars.
• Breakdown of glucose in respiration to release energy

Question 10

What is the breakdown of Proteins in Metabolism?

Answer 10

• Synthesis of amino acids from glucose and nitrate ions.
• Amino acids used to form proteins.
• excess proteins Broken down to form urea for excretion.

Question 11

What is the synthesis of lipids?

Answer 11

One molecule of glycerol and three molecules of fatty acids