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B4 Biology OCR 21st Century (The Process of Life)
Descrição
A-Level Chemistry Mapa Mental sobre B4 Biology OCR 21st Century (The Process of Life), criado por Nathan*Callaway em 04-04-2015.
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chemistry
a-level
Mapa Mental por
Nathan*Callaway
, atualizado more than 1 year ago
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Nathan*Callaway
mais de 9 anos atrás
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B4 Biology OCR 21st Century (The Process of Life)
Cells
Animal Cells
Mitochondria, Cytoplasm, Nuceus, Cell wall
Plant Cells
Cell Wall, Cell Membrane, Vacuole, Chloroplasts, Nucleus, Cytoplasm, Mitochondria
Enzymes
Protein Molecules
Speed up rate of chemical reactions in the body
Genes (DNA) codes for the type of enzyme that is produced in that cell
They have an optimum temperature at which they work best
If the temperature gets too high, the enzymes become denatured, meaning their structure changes so the substrate will no longer fit
The Lock and Key Model
Active Site
This is the part of the enzyme which the substrate fits into
Can be damaged by: 1) The temperature being too hot 2) The pH level
Only a certain shaped substrate will fit into the enzyme
A substrate fits in, the enzyme then brakes it down to make the products
Respiration
Aerobic
Anaerobic
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