Some sharks and tunas possess a ________, a blood circulation system that allows them to keep internal temperatures higher than external temperatures

Fill in the blank(s) with correct word


rete

Biology & Microbiology

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The unique antigen-reactive proteins of T cells are

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Which of the following characteristics is(are) a basic property of cells?

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A young woman being treated for serious burns develops severe diarrhea accompanied by intense abdominal pain. She passes several watery, foul-smelling, bloody stools a day. A colonoscopy reveals patches of yellowish lesions in the large intestine. The

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