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    (Original post by Niltiac229)
    Right again, what does the MMR vaccine stand for?
    Measles, mumps, and rubella
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    (Original post by JakeAntonyBrown)
    Good. AQA like it if you say diffuse.
    i'll keep that in mind
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    (Original post by hello654321)
    measles mumps and rubella
    Perfect.
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    (Original post by hello654321)
    that's additional mate
    Really in year 10 we can only do core and that was in our mock
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    (Original post by Bobbithebuilder)
    Really in year 10 we can only do core and that was in our mock
    Yep.
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    Why don't antibiotics work on viruses?
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    (Original post by Bobbithebuilder)
    Why don't antibiotics work on viruses?
    because they reproduce inside cells, and it is hard to create a medicine that destroys the virus but doesn't damage body cells.
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    (Original post by JakeAntonyBrown)
    What was thalidomide used for now?
    Leprosy which cause big lumps of skin on the body
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    (Original post by JakeAntonyBrown)
    Name one plant hormone?
    auxin
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    (Original post by Elleee1234)
    auxin
    Perfect!
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    (Original post by Elleee1234)
    Leprosy which cause big lumps of skin on the body
    Yep. Perfect.
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    explain tissue culture
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    What is gravitropism?


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    (Original post by Elleee1234)
    name a plant tissue and what it does
    Phloem, it transports sugars and food from the leaves to the rest of the plant for respiration etc.
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    (Original post by Sneakerhead)
    What is gravitropism?


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    response to gravity by shoots and roots
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    Gravitropism
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    (Original post by JakeAntonyBrown)
    What was thalidomide used for now?
    Leprosy
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    (Original post by hello654321)
    explain tissue culture
    Tissue culture is where plant tissue is scraped off of the parent plant from the leaves etc. Then the plant tissue is placed into a sterile Petri dish which includes plenty of nutrients and growth hormones such as auxin. Next, inside of the Petri dish, the samples develop into small plantlets which are clones of the parent plant due to asexual reproduction. Finally, the plantlets can be placed into compost where they can grow into full sized plants.
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    (Original post by hello654321)
    response to gravity by shoots and roots
    Ayeee nice one


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    (Original post by hello654321)
    explain tissue culture
    Tissue culture is used to grow rare and important plants. Tissues are scraped off the parent plant and placed in agar jelly in a petri dish with nutrients and Auxin. These grow into little plantlets which are then planted into compost. Tissue culture is more expensive than cuttings but it causes less harm to the parent plant.
 
 
 
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