Science- Ms. Sue

What evidence was found from soft tissue samples of a remarkable well-preserved Tyrannosaurus Rex that provided molecular evidence linking T.Rex to a chicken?

A. Antibodies that react in a specific way with chicken proteins reacted in the same way with T. Rex proteins.
B. Oxygen was found to be essential to T. Rex’s survival in the same way that it is essential to a chicken’s survival.
C. T. Rex cell structure was found to be similar to the cell structure of chickens.
D. T.Rex cells were found to use glucose as a source of energy just like a chicken’s cells use glucose.

A

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  1. I don't know, but I think you're right.

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    👩‍🏫
    Ms. Sue
  2. what is the answer @ms.sue
    and do you know anonymous

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  3. @Ms.Sue

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  4. I'm agreeing with A so A.

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  5. Is A the correct answer bcause i have to get an A on this test

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  6. "Researchers used several different techniques to identify the presence of collagen. First, they found that antibodies to collagen would bind to the samples, and this binding did not occur after treatment with enzymes that specifically degrade collagen. Second, they used mass spectrometry to determine the amino acid sequence of the protein. They then mapped various protein fragments and compared them against a database of protein sequences from a variety of organisms."

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  7. a

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