Bioenergetics review

In which part of the cell does glycolysis occur?

• plasma membrane

• nucleus

• cytoplasm

• mitochondria

In the ABSENCE of oxygen, the final product of glycolysis is

• pyruvate

• acetyl-coA

• glucose-1-phosphate

• lactate/lactic acid

Which of these substrate stores in the body can provide the most overall kilocalories?

• glycogen

• phospholipids

• proteins

• triglycerides

Glycolysis would be the primary energy system used during which of the following running events?

• 50 meter sprint (~6 seconds)

• 400 meter/0.5 mile (2-3 min)

• 3,200 meter/2 miles (~15 min.)

• marathon/26.2 miles (3-4 hours)

When ATP levels decrease, creatine kinase (CK) and phosphofructokinase (PFK) activity

• increases

• decreases

ATP production from fat is ____________ ATP production from glucose.

• faster than

• slower than

• the same as

• less than

In order to free fatty acids to enter into the Krebs cycle, they must first be converted to acetyl-CoA via

• lipolysis

• 
  β-oxidation

• glycolysis

• gluconeogenesis

Which of the following is NOT a product of glycolysis?

• Pyruvate

• ATP

• NADH

• Acetyl-CoA