Biology paper 2

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7 Terms

1
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Genetic engineering

Alteration of an organism’s genome to produce a desired characteristic

2
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Restriction enzymes

Cuts out a gene from DNA

3
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Pathogen

Disease causing microorganisms

4
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Disease detection methods

Observation, Microscopy, DNA analysis, Antigen analysis

5
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How does leafy cuticles prevent disease from entering

Acts as a physical barrier, prevents water from forming

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How does Cell wall prevent disease from entering

Prevents pathogens from entering

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Bark function

Dead cells form physical barrier