CyfarthfaB2CellProce
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Two molecules that firm an alternating pattern in the DNA backbone | Sugar and phosphate
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| Four different molecules that make up the genetic code | Bases
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| The Base that pairs with adenine | Thymine
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| The Base that pairs with cytosine | Guanine
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| The name given to a group of three bases that provides a code | Triplet code
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| What is made using the triplet code? | Specific Amino acid
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| Formed when amino acids join together | Protein
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| A change in the DNA | Mutation
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| Consequence of a mutation on the outcome | Different triplet code = different amino acid = different protein
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| Definition of enzyme | Biological catalyst
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| What are enzymes made of? | Protein
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| Molecule that fits into enzyme | Substrate
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| Specially shaped area of enzyme | Active site
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| Formed when enzyme and substrate join | Enzyme -substrate complex
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| Enzyme's active site has permanently changed shape | Denatured
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| Consequence of active site being denatured | Substrate can no longer fit into active site so reaction cannot taken place
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| Explain effect of temperature on enzyme activity | Initially = more energy, more collisions & enzyme - substrate complexes formed = higher rate.
After optimum = enzymes denatured = lower rate
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| Best temperature or pH | Optimum
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| Everyday use of enzymes | Biological washing powder
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| Enzymes that break down carbohydrates | Carbohydrase
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| Building blocks of carbohydrates (starch) | Glucose
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| Enzyme that breaks down fats | Lipase
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| Building blocks of fats | Fatty acids and glycerol
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| Enzyme that breaks down protein | Protease
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| Building blocks of protein | Amino acids
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| Reason for using low temperatures with biological washing powders | Higher temperature would denatured enzymes
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| Environmental benefits of biological washing powder | Lower temp wash = less energy/ electricity = less fossil fuels burned in power station = less CO2 = less global warming
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Created by:
MissRParry
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