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133187
B3
Description
GCSE Biology (B3) Mind Map on B3, created by willjennings97 on 15/06/2013.
No tags specified
b3
biology
biology
b3
gcse
Mind Map by
willjennings97
, updated more than 1 year ago
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Created by
willjennings97
almost 11 years ago
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Resource summary
B3
A - Molecules of Life
Cell
Cell Membrane
Controls movement in/out of cell
Cytoplasm
Mitochondria
Energy
Nucleus
Membrane extending out of
Ribosomes attached
Ribosome
DNA
Deoxyribonucleic acid
Double helix
Bases (A-T & C-G)
Watson & Crick
Protein Synthesis
3 bases = 1 Amino acid
Ribosomes
MRNA (Messenger)
B - Proteins & Mutations
Collagen
Structural Protein
Insulin
Controls Blood sugar levels
Haemoglobin
Carrier Protein, binds w/ oxygen
Enzymes
Work best at 37°C in Humans
Optimum pH can vary
Saliva - pH 7.3
Pepsin (stomach) - Very acidic ~pH 3??
Control Chemical Reactions
Biological catalyst
C - Respiration
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