Table of contents

1. Overview of Cell Biology2h 49m
2. Chemical Components of Cells1h 14m
3. Energy1h 33m
4. DNA, Chromosomes, and Genomes2h 31m
5. DNA to RNA to Protein2h 31m
6. Proteins1h 36m
7. Gene Expression1h 42m
8. Membrane Structure1h 4m
- The Lipid Bilayer
  38m
- Membrane Proteins
  25m
9. Transport Across Membranes1h 52m
10. Anerobic Respiration1h 5m
11. Aerobic Respiration1h 11m
12. Photosynthesis52m
13. Intracellular Protein Transport2h 18m
14. Cell Signaling1h 28m
15. Cytoskeleton and Cell Movement1h 39m
16. Cell Division3h 5m
17. Meiosis and Sexual Reproduction50m
18. Cell Junctions and Tissues48m
19. Stem Cells13m
- Stem Cells
  13m
20. Cancer44m
21. The Immune System1h 6m
22. Techniques in Cell Biology1h 41m

10. Anerobic Respiration

Gluconeogenesis

Cell Biology

10. Anerobic Respiration

Gluconeogenesis

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Multiple Choice

What happens to the glycolysis and gluconeogenesis when ATP levels are high and glucose is low?

Glycolysis and gluconeogenesis are activated

Glycolysis is activated and gluconeogenesis is suppressed

Glycolysis is suppressed and gluconeogenesis is activated

Nothing, the rates of glycolysis and gluconeogenesis stay the same

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Verified step by step guidance

Understand the role of ATP in cellular metabolism: ATP is a key energy currency in the cell. High levels of ATP indicate that the cell has sufficient energy, which can influence metabolic pathways.

Recognize the function of glycolysis: Glycolysis is the process of breaking down glucose to produce ATP. When ATP levels are high, the need for additional ATP production through glycolysis decreases.

Consider the role of gluconeogenesis: Gluconeogenesis is the process of synthesizing glucose from non-carbohydrate sources. It is typically activated when glucose levels are low to ensure a supply of glucose for essential functions.

Analyze the regulatory mechanisms: High ATP levels inhibit key enzymes in glycolysis, such as phosphofructokinase-1 (PFK-1), reducing the pathway's activity. Conversely, gluconeogenesis is activated under these conditions to produce glucose.

Conclude the effect on metabolic pathways: With high ATP and low glucose, glycolysis is suppressed to prevent unnecessary ATP production, while gluconeogenesis is activated to increase glucose availability.