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11 Cards in this Set
- Front
- Back
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What is the product of a condensation reaction of a glucose molecule and a fructose molecule? Name the bond formed |
Sucrose Glycosidic bond |
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Which disaccharide is found in plant cell walls? |
Cellulose |
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What is meant by the term an "unsaturated fatty acid"? |
Has a C=C bond meaning it can form bonds with more atoms e.g Hydrogen |
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What test is done to identify a lipid?? |
An emulsion test |
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2.00cm3 of aqueous NaOH followed by 2.00cm3 of copper (ll) sulfate was added to an unknown sample, there was a colour change to purple. What compound is present? |
Proten |
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What is the role of an enzyme in a reaction?? |
Catalyses reaction Provides an alternative route Lowers activation energy Binds to substrates Hydrolyses/digests substrates |
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What happens to the rate of reaction when substrate concentration increases?? |
Plateaus due to saturation of enzyme active sites |
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What are the benefits of semi-conservative replication? |
Causes genetic continuity between generations of cells-favourable alleles passed on |
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How do the properties of water benefit a cell? |
Solvent-dissolve substances Metabolite-used in hydrolysis and condensation reactions |
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How is energy released from ATP? |
Hydrolysis of the high energy bonds between phosphate groups releases a Pi molecule. This releases large amounts of energy. |
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How do iron ions aid association of oxygen in the blood? |
4 Fe(ll) ions on each haemoglobin Positive charge associates with negative charge of oxygen |
