Unit 12 - Respiration

Question 1

What is respiration?

Answer 1

Respiration involves a number of chemical reactions that break down nutrient molecules, such as glucose, in living cells to release energy

Question 2

What is aerobic respiration?

Answer 2

Aerobic respiration means release of energy from glucose using oxygen

Question 3

What is a anaerobic respiration?

Answer 3

Anaerobic respiration means release of energy from glucose without oxygen

Question 4

Where does respiration happen and what does it involve?

Answer 4

Respiration happens in mitochondria of cells, and involves release of energy from glucose

Question 5

In what molecule is energy released in?

Answer 5

ATP

Question 6

Uses of ATP

Answer 6

Movement requires energy for muscle contraction
Sending nerve impulses
Active transport to move molecules against concentration gradient
Building proteins for growth and repair

Question 7

What is the equation for aerobic respiration?

Answer 7

C6 H12 O6 + 6O2 — 6CO2 + 6H2O + ATP

Question 8

What is the equation of anaerobic respiration?

Answer 8

Glucose — lactic acid + energy