How do scientists know silver carp are at North Shore site 1 (lane 1)?
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A. One of the bands in lane 1 matches a band in the negative control.
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B. One of the bands in lane 1 matches a band in lane 2.
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C. None of the bands in lane 1 matches a band in either control.
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D. One of the bands in lane 1 matches a band in the positive control.

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.

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bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.