CELLULAR RESPIRATION [TOPIC GUIDE]

Introduction to cellular respiration

Cellular respiration is a core JC2 topic in H2 BIOLOGY in A levels. This is a very important process that the cell relies on to get energy in the form of ATP, the hydrolysis of which drives the metabolic processes. It comprises processes such as glycolysis, link reaction, Krebs cycle and oxidative phosphorylation. These processes occur in the cytoplasm, mitochondrial matrix and the latter between matrix, intermembrane space and the inner mitochondrial membrane respectively.
Prerequisites for this topic includes cell organelles, enzymes and will build into photosynthesis and diversity & evolution.

Website with concise information on how to account for protons (H+) movement across the ETC
Website that shows the full Glycolysis pathway
Video of a quick overview of cellular respiration
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Link reaction and Krebs cycle occurs in the mitochondria
One of the electron carriers in the electron transport chain is a proton pump
Fermentation produces only 2 ATP molecules which is why it has a low yield compared to aerobic respiration
ATP synthase accepts electrons and is part of the ETC

This topic is tied closely to photosynthesis, establish their relationship when you prep for essays
Default to conversion rates for 2.5/1.5 ATP per NADH/FADH2 since majority of TYS use this rate
Either NAD+/NADH or NAD/reduced NAD is fine
Electron carriers are proteins
Ethanal = acetaldehyde

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