ALA #2

Kai is a novice sprinter who is able to run a 200-meter sprint in 45 seconds. If we could zoom inside of her cytoplasm before and directly after the race, which of the following changes would you expect to see in the cytoplasm at the end of the sprint?

• High amounts of ATP

• Low stores of PCr

• High amounts of Cr

• High amounts of ADP

• Low amount of inorganic phosphates

Asher is a runner who is at the starting line of a race. As soon as the whistle blows, he begins to run as fast as possible to gain a lead. He gains a huge lead and begins to run at a maintenance speed for the 30-minute event. The __________ system is providing the majority of the ATP during the first 15 seconds of the race within the ________ of the cell.

• Glycolytic; cytoplasm

• Oxidative; cytoplasm

• ATP-PCr; cytoplasm

• Glycolytic; mitochondria

• ATP-PCr; mitochondria

Glycolysis of a muscle glycogen to pyruvate that accepts H+ and becomes lactate is an aerobic process. (I.e enzyme requires O2)

• True

• False

Which of the following cannot be broken down anaerobically?

• Fats

• Acetyl CoA

• CHOs

• Amino Acids

• Muscle Glycogen

ATP can only be made in the cytoplasm of a muscle cell.

• True

• False

When do we expect our blood pH to go down, aka become more acidic?

• When there are high levels of ATPase activity

• While sleeping

• During a 20-minute HIIT session

• While taking Mr. Patek’s second exam

• When breaking ATP at a quicker rate than making ATP

ATP is made during glycogenolysis:

• True

• False

What is the non-steady state energy system?

Glut-4 activity is:

• Increased when insulin is in the blood

• Decreased when insulin is in the blood

• Decreased during exercise

• Increases the uptake of glucose from the blood to the cell

• Increased during exercise