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When blood clots, an enzyme is activated to change a protein from one form into another. Describe the process of blood-clotting.
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Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.
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How does science influence the decisions made about social, economic, and political issues?
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When blood clots, an enzyme is activated to change a protein from one form into another.
Describe t...
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