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

Intro to Glycolysis

GOB Chemistry

22. Carbohydrate Metabolism

Intro to Glycolysis

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2:41 minutes

Problem 21

Textbook Question

Name the starting reactant of glycolysis.

Verified step by step guidance

Understand that glycolysis is the metabolic pathway that breaks down glucose to produce energy in the form of ATP.

Recall that the starting reactant of glycolysis is the molecule that enters the pathway to undergo enzymatic reactions.

Identify that glycolysis begins with a six-carbon sugar molecule, which is a common energy source for cells.

Recognize that this six-carbon sugar is glucose, a simple carbohydrate.

Conclude that the starting reactant of glycolysis is glucose, which is converted into pyruvate through a series of enzymatic steps.

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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 cellular respiration, providing energy for cellular activities. Understanding glycolysis is essential for grasping how cells generate energy from carbohydrates.

Glucose

Glucose is a simple sugar and a primary energy source for cells. It is the starting reactant of glycolysis, where it undergoes a series of enzymatic reactions to be broken down into pyruvate. The availability of glucose is crucial for energy production, especially in tissues with high energy demands, such as the brain and muscles.

ATP Production

ATP (adenosine triphosphate) is the main energy currency of the cell, used to power various biological processes. During glycolysis, a net gain of two ATP molecules is produced per glucose molecule, which is vital for sustaining cellular functions. Understanding ATP production is key to comprehending how energy is harnessed and utilized in biological systems.

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