Lesson Worksheet: Glycolysis Biology

In this worksheet, we will practice describing the process of glycolysis and recalling the products made.

Q1:

Why is glycolysis considered an anaerobic reaction?

  • ABecause it does not require oxygen
  • BBecause oxygen is not produced
  • CBecause oxygen is a key reactant
  • DBecause carbon dioxide is produced

Q2:

In what part of a eukaryotic or prokaryotic cell does glycolysis take place?

  • ACytoplasm
  • BRibosomes
  • CCell membrane
  • DMitochondria
  • ENucleus

Q3:

What is the net yield of ATP for one glucose molecule undergoing glycolysis?

Q4:

How many molecules of pyruvate does one glucose molecule undergoing glycolysis produce?

Q5:

How many molecules of reduced NAD are produced when one glucose molecule undergoes glycolysis?

  • A2 molecules
  • B4 molecules
  • C1 molecule
  • D6 molecules

Q6:

Which compound is the primary reactant of glycolysis?

  • AGylceraldehyde 3-phosphate
  • BGlucose
  • CPyruvate
  • DOxygen
  • EReduced NAD

Q7:

What 3-carbon compound is the final product of glycolysis?

  • APyruvate
  • BGlucose
  • CGlyceraldehyde 3-phosphate
  • D3-PGA
  • ENAD

Q8:

Which of the following best describes the first major reaction that takes place in glycolysis?

  • AA glucose molecule is converted to reduced glucose by the addition of two hydrogen ions, catalyzed by the oxidation of reduced NAD.
  • BA phosphorylated fructose molecule is split into two 3-carbon molecules, known as glyceraldehyde 3-phosphate.
  • CA glucose molecule reacts with oxygen to form an unstable 6-carbon compound, which then breaks down into two molecules of glyceraldehyde 3-phosphate, catalyzed by the hydrolysis of ATP.
  • DA glucose molecule is converted to phosphorylated fructose by the addition of two phosphate molecules, catalyzed by the hydrolysis of ATP.

Q9:

The diagram provided shows a basic outline of the process of glycolysis. The circles are used to represent the number of carbons in the compounds involved.

What compound has been replaced by the letter X?

  • AGlyceraldehyde 3-phosphate
  • BPyruvate
  • CGlucose
  • DSucrose

What compound has been replaced by the letter Y?

  • APhosphoglyceraldehyde
  • BPyruvate
  • CGlucose
  • DCarbon dioxide

What compound has been replaced by the letter Z?

  • AGlucose
  • BCarbon dioxide
  • CGlyceraldehyde 3-phosphate
  • DPyruvate

Q10:

As phosphoglyceraldehyde is converted into pyruvate, what happens to the cofactor NAD?

  • AIt is phosphorylated.
  • BIt is oxidized.
  • CIt is reduced.
  • DIt is broken down into its component parts.

This lesson includes 22 additional questions for subscribers.

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