Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

22. Carbohydrate Metabolism

Glycolysis

GOB Chemistry

22. Carbohydrate Metabolism

Glycolysis

Previous problemNext problem

3:24 minutes

Problem 42a

Textbook Question

Which cells, liver, muscle, or brain, use the following pathways?
a. Glycolysis

Verified step by step guidance

Understand the concept of glycolysis: Glycolysis is a metabolic pathway that breaks down glucose into pyruvate, generating ATP and NADH. It is an anaerobic process, meaning it does not require oxygen, and occurs in the cytoplasm of cells.

Identify the types of cells that use glycolysis: Glycolysis is a universal pathway and occurs in almost all cells, as it is a primary method of energy production, especially when oxygen is limited.

Explain glycolysis in liver cells: Liver cells use glycolysis to generate energy and also to regulate blood glucose levels. The liver can convert excess glucose into glycogen for storage or use glycolysis to produce intermediates for other metabolic pathways.

Explain glycolysis in muscle cells: Muscle cells rely heavily on glycolysis, especially during intense physical activity when oxygen supply is limited. Glycolysis provides a rapid source of ATP to fuel muscle contractions.

Explain glycolysis in brain cells: Brain cells depend on glycolysis as a primary energy source because the brain has a high demand for glucose. Glycolysis in brain cells ensures a continuous supply of ATP to support neuronal activity and other cellular functions.

Verified video answer for a similar problem:

This video solution was recommended by our tutors as helpful for the problem above

Video duration:

Play a video:

Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Glycolysis

Glycolysis is a metabolic pathway that converts glucose into pyruvate, producing a small amount of ATP and NADH in the process. It occurs in the cytoplasm of cells and is the first step in both aerobic and anaerobic respiration. This pathway is crucial for energy production, especially in cells with high energy demands, such as muscle cells during exercise.

Cellular Metabolism

Cellular metabolism encompasses all biochemical processes that occur within a cell, including energy production, biosynthesis, and degradation of molecules. Different cell types, such as liver, muscle, and brain cells, have distinct metabolic profiles and pathways they utilize based on their specific functions and energy requirements. Understanding these differences is essential for analyzing how various cells utilize glycolysis.

Tissue-Specific Metabolism

Tissue-specific metabolism refers to the unique metabolic pathways and preferences exhibited by different types of cells or tissues. For instance, liver cells are involved in gluconeogenesis and glycogen storage, while muscle cells primarily rely on glycolysis for quick energy during physical activity. Brain cells, on the other hand, predominantly use glucose and ketone bodies for energy, highlighting the importance of understanding how glycolysis is utilized across different tissues.

Watch next

Master Glycolysis Concept 1 with a bite sized video explanation from Jules

Start learning

Related Videos

Related Practice

Textbook Question

Glucose 6-phosphate is in a pivotal position in metabolism. Depending on conditions, glucose 6-phosphate follows one of several pathways. Under what conditions do the following occur?

b. Hydrolysis to free glucose

835

views

Textbook Question

Glucose 6-phosphate is in a pivotal position in metabolism. Depending on conditions, glucose 6-phosphate follows one of several pathways. Under what conditions do the following occur?

d. Glycogenesis

579

views

Textbook Question

In Figure 22.3, compare the starting compound (glucose) and the final product (pyruvate).

a. Which is oxidized to a greater extent?

780

views

Textbook Question

The pathway that converts glucose to acetyl-CoA is often referred to as an “aerobic oxidation pathway.”

(b) Thinking back to Chapter 20, where does molecular oxygen enter the picture?

789