1.8

Question 1

how is lactate produced

Answer 1

hydrogen ions from NADH produced in glycolysis to pyruvate to produce lactate

Question 2

why is the regeneration of NAD in the lactate metabolism important

Answer 2

it’s needed to maintain atp production through glycolysis

Question 3

what happens when lactate accumulates

Answer 3

muscle fatigue until the oxygen debt is payed

Question 4

describe the cardiac muscle

Answer 4

unique to the heart and never tires

Question 5

what are slow twitch muscle fibres for

Answer 5

endurance and stamina

Question 6

what are fast twitch muscle fibres for

Answer 6

speed and strength

Question 7

what is the speed of contraction for muscle fibres

Answer 7

slow - contract slowly
fast - contract quickly

Question 8

how much mitochondria do the muscle fibres have

Answer 8

slow - high number
fast - low number

Question 9

blood supply to the muscle fibres

Answer 9

slow - large supply
fast - small supply

Question 10

what type of respiration do the muscle fibres use

Answer 10

slow - aerobic
fast - fermentation

Question 11

do the muscle fibres have glycogen stores

Answer 11

slow - no
fast - yes