Cellular respiration

Learning Objectives

By the end of this lesson you should be able to:

• Contrast the purpose of aerobic respiration, anaerobic respiration and photosynthesis
• List the main inputs and outputs for the light dependent and light independent stages of photosynthesis
• List the main inputs, outputs and ATP yields for stages of cellular respiration (glycolysis, anaerobic respiration, Krebs cycle, electron transport chain in yeast and in animals)

Bonus objectives:

• Easy: Agree it’s ridiculous that life exists given the complexity of reactions it needs (photosynthesis, cellular respiration)
• Challenge: Explain how different factors (temperature, light, glucose availability, carbon dioxide and oxygen concentration) impact the rate of cellular respiration and photosynthesis

🗣️ Cellular Respiration

What this means that what you really need to know is: WHERE, WHAT GOES IN, WHAT COMES OUT and HOW MUCH ATP for each stage. Sooooo … let’s just focus on these aspects.

Crash Course Introductory Video

Overall cellular respiration equation:

Word equation: $$\text{Oxygen}+\text{Glucose}+\text{ADP}+\text{Inorganic Phosphorus}\to \text{Carbon Dioxide}+\text{Water}+\text{ATP (available energy)}$$

Chemical equation:

$$6O_2+C_6{H}_{12}{O}_6+36ADP+36P_i\to 6C{O}_2+6H_{2}O+36ATP$$

Summary table: locations, steps, inputs and outputs

Practice questions

Reveal prior student answers

Reveal prior student answers

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Extra Resources

FreeVCEnotes.com: Energy transformations

Douchy’s VCE Biology Podcast