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    • Join Date: Jul 2007
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    #1

    (This context is about the transgenic crop)

    (This context is about the transgenic crop)
    ...The added genes confer traits raning from longer shelf___(1)___ to pest resistance. The plants seem safe, but the environmental watchdog groups fear that the spliced genes might spread into the crops' wild relatives. In such hosts, the genes might be less benign- and harder to control
    1)
    a) length
    b) life
    c) duration
    d) stay
    The answer is b but I don't understand why long shelf life is good

    2) what does host mean here?

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    #2

    Re: (This context is about the transgenic crop)

    "shelf life" is a common term used to describe how long something can stay fresh.

    The "host" here refers back to the crop's wild relatives.

  1. beascarpetta's Avatar
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    #3

    Re: (This context is about the transgenic crop)

    ...The added genes confer traits ranging from longer shelf___(1)___ to pest resistance. The plants seem safe, but the environmental watchdog groups fear that the spliced genes might spread into the crops' wild relatives. In such hosts, the genes might be less benign- and harder to control
    1)
    a) length
    b) life
    c) duration
    d) stay
    The answer is b but I don't understand why long shelf life is good
    in this text shelf life denotes the length of time that these plants can be kept before they become useless
    2) what does host mean here?
    Here it means a plant that another plant lives on as a parasite

    bea


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