B9 Respiration

Question 1

Where does respiration happen?

Answer 1

In all living cells

Question 2

Is respiration endothermic or exothermic?

Answer 2

Exothermic

Question 3

What is the word equation for aerobic respiration?

Answer 3

Glucose + Oxygen = Carbon dioxide + Water

Question 4

What is the word equation for anaerobic respiration in animals?

Answer 4

Glucose = Lactic acid

Question 5

What is the word equation for anaerobic respiration in plants?

Answer 5

Glucose = Lactic acid + Carbon dioxide

Question 6

What is the word equation for the oxidation of lactic acid?

Answer 6

Lactic acid + Oxygen = Carbon dioxide + Water

Question 7

What is the word equation for fermentation?

Answer 7

Glucose= Ethanol + Carbon dioxide

Question 8

What is the formula for lactic acid?

Answer 8

C3H6O3

Question 9

What is the formula for glucose?

Answer 9

C6H12O6

Question 10

What is the energy used for in respiration?

Answer 10

-Muscular activities
-Building and breaking molecules
-Maintains a constant body temperature
-In plants, to convert sugars and nutrients into amino acids

Question 11

When does anaerobic respiration take place?

Answer 11

When there isnt a big enough supply of oxygen leading to muscle fatigue

Question 12

Test for Carbon dioxide

Answer 12

Bubble gas through limewater, if it goes cloudy Co2 is present

Question 13

Test for ethanol

Answer 13

Smelling

Question 14

Where does aerobic respiration take place?

Answer 14

In the mitochondria

Question 15

Where does anaerobic respiration take place?

Answer 15

In the cytoplasm

Question 16

What is glucose stored as in the muscles?

Answer 16

Glycogen

Question 17

What happens when you exercise?

Answer 17

-Heart rate increases
-Breathing rate increases
-Arteries dilate
-Glycogen is converted back to glucose

Question 18

Fit or Unfit person-
Larger volume of the heart at rest

Answer 18

Fit person