Respiration mindmap
- Created by: Angela
- Created on: 30-11-18 18:25
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- Respiration
- transferring energy from breakdown of glucose
- Plant make glucose for this through photosynthesis
- Animals produce glucose by breaking down biomass
- happens continually
- In every cell - because the energy transferred is needed to survive
- Energy transferred cannot be used directly
- ATP - stores energy which is used for:
- making and breaking molecules
- muscle contraction
- active transport
- ATP - stores energy which is used for:
- cell can use glucose as a substrate but can also breakdown:
- proteins
- carbohydrates
- to be used as substrates for the reaction
- proteins
- lipids
- to be used as substrates for the reaction
- lipids
- Cellular respiration = exothermic
- consists of several different chemical reactions - which are controlled by enzymes
- NOTE: Factors that affect enzymes will affect the rate of reaction
- consists of several different chemical reactions - which are controlled by enzymes
- Aerobic
- plenty of oxygen
- Most efficient way to transfer energy
- Produces more ATP molecules
- 32 molecules per molecule of glucose
- Produces more ATP molecules
- Eukaryotic
- In mitochondria - contains the enzymes needed
- Prokaryotic
- cytoplasm
- Anaerobic
- Takes place in cytoplasm of animal and plant cells
- In animals and some bacteria glucose is only partially broken down
- Lactic acid formed as waste
- Whilst plants and some microorganisms (e.g. yeast) :
- produce ethanol and carbon dioxide instead of lactic acid
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