Biology, 07.03.2020 04:20 tatilynnsoto17
Damaged tissue releases chemicals that activate platelets and stimulate the formation of blood clots. Which of the following predictions about the activity of platelets best describes a positive feedback mechanism?A. Activated platelets release chemicals that inhibit blood clot formation. B. Activated platelets release signaling molecules that inhibit cell division in damaged tissue. C. Activated platelets constrict the blood vessels, stopping blood flow. D. Activated platelets release chemicals that activate more platelets.
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What does it mean for a cell membrane to be selectively permable
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What noticeable trend from this graph might be used to make a conclusion?
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Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.
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Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of
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Damaged tissue releases chemicals that activate platelets and stimulate the formation of blood clots...
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