Cellular respiration chapter 4 sections 1 and 4 6
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Cellular Respiration Chapter 4, sections 1 and 4-6. What Is ATP?. Stands for adenosine triphosphate Is the cell’s energy currency. Clip – 2:26. How Do We Get Energy From ATP?. By breaking the high-energy bonds between the phosphate groups. When is ATP Made in the Body?.

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Cellular respiration chapter 4 sections 1 and 4 6

Cellular RespirationChapter 4, sections 1 and 4-6


What is atp
What Is ATP?

  • Stands for adenosine triphosphate

  • Is the cell’s energy currency

Clip– 2:26


How do we get energy from atp
How Do We Get Energy From ATP?

By breaking the high-energy bonds between the phosphate groups


When is atp made in the body
When is ATP Made in the Body?

During a process called cellular respiration that takes place in both plants & animals clip – 1:54


Cellular respiration
Cellular Respiration

Includes pathways that require oxygen

So cellular respiration is often referred to as aerobic respiration

Breakdown of one glucose results in 36 to 38 ATP molecules

Animation (“The Big Picture”)


What are the stages of cellular respiration
What are the Stages of Cellular Respiration?

Glycolysis

The Krebs Cycle

The Electron Transport Chain

Animation


Where does cellular respiration take place
Where Does Cellular Respiration Take Place?

It actually takes place in two parts of the cell:

Glycolysis occurs in the cytoplasm

Krebs Cycle & ETC occur in the mitochondria


Glycolysis summary
Glycolysis Summary

  • Takes place in the cytoplasm

  • Anaerobic (doesn’t use oxygen)

  • Requires input of 2 ATP; this is considered the energy-investment phase


With oxygen or without
With Oxygen….Or Without

  • If oxygen is present, the end product of glycolysis will go to mitochondrion for the rest of cellular respiration and produce LOTS of energy

  • If oxygen is not present, then the end product of glycolysis will enter fermentation

    • Muscle cells enter lactic acid fermentation

    • Yeast enters ethanol fermentation


With oxygen krebs cycle electron transport chain
With Oxygen – Krebs Cycle & Electron Transport Chain

Krebs Cycle

CO2 is produced in the Krebs Cycle

2 ATP are also formed in the Krebs Cycle

Animation – go to “Krebs Cycle”

Electron Transport Chain

34 ATP produced in ETC

H2O is electron acceptor (you breathe this out)

Animation – go to “Electron Transport Chain”


Electron transport chain
Electron Transport Chain

Review of Cellular Respiration – 6:01