Chapter 10 orion 4

Many factors contribute to muscle fatigue. Select all that apply.

lack of action potentials, lactic acid buildup, ADP buildup, glycogen depletion

A waste product of anaerobic respiration in muscle cells is

lactic acid

Which molecule produced during exercise results in oxygen debt?

lactic acid

Muscle fatigue is a result of

lactic acid buildup

Creatine phosphate ______________.

is the first source of energy when muscle contraction begins

An activity that would require anaerobic cellular respiration is a

40-yard dash

____________ provides enough energy for activity longer than 1 minute.

Aerobic cellular respiration

_________ provides enough energy for approximately 45 seconds of contractions.

Anaerobic cellular respiration

___________ provides enough energy for approximately 15 seconds of contractions.

Creatine phosphate

Which of the following happens to pyruvic acid in the absence of oxygen?

It is converted into lactic acid.

This type of muscle metabolism occurs in the mitochondria

aerobic cellular respiration

Fatty acids can be used to produce ATP during

aerobic respiration

During short bursts of exercise like a 40 yard dash, energy is derived from

anaerobic cellular respiration

This type of muscle metabolism produces ATP molecules. Select all that apply.

anaerobic cellular respiration, creatine phosphate, aerobic cellular respiration

Which of following produce two ATPs and pyruvic acid as end products? Select all that apply.

anaerobic cellular respiration, glycolysis

This type of metabolism can rapidly produce ATP for quick periods of time. Select all that apply.

creatine phosphate, anaerobic cellular respiration

Which of the following is/are true regarding glycolysis? Select all that apply.

does not require oxygen, occurs in the cytosol, produces a net gain of 2 ATP, occurs in anaerobic glycolysis and aerobic respiration

Which occurs during oxygen debt recovery?

excess lactic acid is converted to glucose

Which of the following reduces the amount of lactic acid that can accumulate in an active muscle?

increasing number of mitochondria in the cell

Which of the following is/are true regarding aerobic respiration? Select all that apply.

yields more ATP than anaerobic glycolysis, occurs in the mitochondrion, slower than anaerobic glycolysis