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300421
Control, genomes and environment (F215)
Description
A level Biology Mind Map on Control, genomes and environment (F215), created by eleanorvann96 on 24/10/2013.
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biology
biology
a level
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eleanorvann96
, updated more than 1 year ago
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eleanorvann96
almost 11 years ago
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Resource summary
Control, genomes and environment (F215)
DNA - translations, mutations and coding
Genes code fo polypeptides including enzymes.
The sequence of the bases on a gene is a code with instructions for the construction of proteins. It had a no. of characteristics:
It has a triplet code - 3 bases of an amino acid
It is a degenerate code - All amino acids but one has more than one code.
it is widespread but not universal - Codons generally always code for the same amino acid in every organism but it is not always the case.
Transcription is the creation of a single-stranded mRNA copy of the DNA coding strand.
The lac operon
Genes and body plans
Apoptosis
Meiosis and the significance
Genetic diagrams
Gene loci
Determining sex
Population gentics
Role of genes and environment
What is a species?
Selection
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