Biology - The structure of DNA and Protein synthesis
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What are DNA strands made of?
Polymers made up of repeating units called nucleotides
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What is each nucleotide made up of?
A sugar, a phosphate group and one ‘base’
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What are the four bases?
A, T, C, G
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What is complementary base pairing?
That A always pairs with T, and C always pairs with G
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How do ribosomes make proteins?
Using code in the DNA
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What molecule gets code from the DNA to the ribsome?
mRNA (made from copying the DNA, and acts as a messager between DNA and ribosome
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What do enzymes act as?
Biological catalysts to speed up chemical reactions
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What do hormones act as?
Carries messages around the body
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What does structural proteins act as?
Physically strong
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