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Biology

Respiration (Section 4)

QuestionAnswer
What is respiration? The process of transferring energy from glucose, which happens constantly in every living cell
Is respiration an endothermic or exothermic reaction? Exothermic
What's the word equation for aerobic respiration? glucose + oxygen ----> carbon dioxide + water (+energy)
What is the symbol equation for aerobic respiration? C6H12O6 + 6O2 -----> 6CO2 + 6H2O
What are 2 reasons we prefer not to use anaerobic respiration? 1. It doesn't release as much energy (incomplete breakdown of glucose) 2. Lactic acid builds up
What is the equation for anaerobic respiration? glucose -----> lactic acid (+energy)
What is the equation for anaerobic respiration in plants? glucose -----> ethanol + carbon dioxide (+energy)
What is anaerobic respiration in yeast called? Fermentation
In what form is energy transferred during respiration? In the form of ATP
Give 2 examples of how cells use the energy from respiration 1. To move substances around the cell 2. To maintain our body temperature
How much ATP is produced in aerobic respiration? 32 molecules per molecule of glucose
How much ATP is produced in anaerobic respiration? 2 molecules per molecule of glucose
In what sub-cellular structure does respiration take place? The mitochondria
Respiration is an example of a ____________ reaction metabollic
In animals, why can't exercise be sustained for long periods using anaerobic respiration? - Lactic acid produced, making cells acidic - Enzymes don't function well at low pH - Not enough energy released - Muscles become fatigued
What is metabolism? The combination of all chemical reactions in an organism
Anaerobic respiration produces lactic acid which can damage cells and leads to ___________ an oxygen debt
Created by: JoeMather
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