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.
Answers: 2
Biology, 21.06.2019 23:00
Use this new information to determine the parents’ genotypes (indicated by red arrows). then calculate the probabilities that the second male offspring will have each condition. drag one pink label to each pink target and one blue label to each blue target. then use the white labels to answer questions 1 and 2. labels can be used once, more than once, or not at all.
Answers: 3
Biology, 22.06.2019 04:30
Asap i will reward you brainliest for best which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.
Answers: 1
Biology, 22.06.2019 08:10
Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees
Answers: 2
Damaged tissue releases chemicals that activate platelets and stimulate the formation of blood clots...
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