Quiz on Glycolysis

What is the primary purpose of glycolysis?

• To convert glucose into pyruvate

• To produce glucose from pyruvate

• To synthesize proteins

• To break down fatty acids

How many ATP molecules are used in the preparatory phase of glycolysis?

• One

• Six

• Four

• Two

Where does glycolysis occur within the cell?

• Nucleus

• Mitochondria

• Cytoplasm

• Golgi apparatus

What is the end product of glycolysis?

• Two pyruvate molecules

• Glucose

• Carbon dioxide

• Acetyl-CoA

Which enzyme is responsible for converting glucose to glucose-6-phosphate?

• Glyceraldehyde-3-phosphate dehydrogenase

• Phosphofructokinase

• Pyruvate kinase

• Hexokinase

What is the net gain of ATP from one molecule of glucose in glycolysis?

• Two ATP

• Four ATP

• Six ATP

• Eight ATP

Which phase of glycolysis is known as the 'pay off phase'?

• Second phase

• Preparatory phase

• First phase

• Final phase

What is the role of NAD+ in glycolysis?

• It breaks down glucose

• It is oxidized to NADPH

• It is reduced to NADH

• It synthesizes ATP

Which condition is directly related to improper glucose utilization mentioned in the text?

• Osteoporosis

• Hypertension

• Diabetes

• Anemia

What happens to pyruvate under aerobic conditions after glycolysis?

• It is converted to acetyl-CoA

• It forms lactate

• It is stored as fat

• It is converted back to glucose