Biology paper 1 2024

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Describe how viruses are replicated

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-Virus attachment proteins attaches to cell receptors

-Viral RNA is injected into the cell and is replicated using reverse transcriptase

-Viral proteins are produced

-Viral components are assembled and released from cell

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A non competitive inhibitor decreases the rate of reaction of an enzyme controlled reaction explain how

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-NCI binds to allosteric site of the enzyme instead of active site

-This changes the tertiary structure of the protein so active site changes

-Therefore no enzyme substrate is formed as substrate is no longer complementary

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Describe how viruses are replicated

-Virus attachment proteins attaches to cell receptors

-Viral RNA is injected into the cell and is replicated using reverse transcriptase

-Viral proteins are produced

-Viral components are assembled and released from cell

2
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A non competitive inhibitor decreases the rate of reaction of an enzyme controlled reaction explain how

-NCI binds to allosteric site of the enzyme instead of active site

-This changes the tertiary structure of the protein so active site changes

-Therefore no enzyme substrate is formed as substrate is no longer complementary

3
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