9477 / 2027

Chapter 13 / 5 short lessons

Respiration and ATP production

Account for carbon and carriers, then explain how electron transfer supports ATP synthesis.

H2 Biology / 9477 / 2027 syllabus

What do you think?

What is fermentation's essential contribution to continued glycolysis?

Lessons

0 of 5 marked as read
01

Glycolysis starts in the cytosol

Outline glycolysis location, inputs, outputs and substrate-level phosphorylation.

About 6 min
About 6 min
02

The link reaction and Krebs cycle

Outline mitochondrial oxidation, dehydrogenation and decarboxylation.

About 8 min
About 8 min
03

Oxidative phosphorylation

Explain electron transport, oxygen and mitochondrial chemiosmosis.

About 8 min
About 8 min
04

Regenerate NAD without oxygen

Explain low ATP yield, ethanol formation in yeast and lactate formation in muscle.

About 7 min
About 7 min
05

Measure respiration fairly

Investigate temperature, oxygen and substrate effects on respiration.

About 7 min
About 7 min
What you will be able to do
  • Track glycolysis, the link reaction and Krebs cycle.
  • Explain oxidative phosphorylation and fermentation.
  • Interpret controlled respiration measurements.

Ready to try it without your notes?

Start with a quick check or explain a biological result in your own words.

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