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B3 Living & Growing

OCR Gateway B3 Living & Growing

QuestionAnswer
Nucleus carries genetic information with chromosomes in the form of genes containing DNA
Cell membrane controls the movement of substances in and out of cells
Cytoplasm is where many chemical reactions happen.
The structure of DNA as a double helix with cross links formed by ......... Two Bases
Amino Acids Combine to make chains of proteins and sequences of DNA
Enzymes are proteins that are biological catalysts and can be used to cut DNA for fingerprinting.
Enzymes work in ... an optimum pH and temperature range
Denaturing of an enzyme at extreme temperatures and pH changes the shape of the active site and is irreversible.
enzymes catalyse the chemical reactions occurring in living cells: respiration, photosynthesis, protein synthesis.
Created by: ktravis
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