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Which one of these is an example of structural protein in plants? a. chitin b. lignin c. keratin
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Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from
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What are some of the immune functions of the lymphatic system? a. cleaning red blood cells from the blood and creating lymph fluids b.transporting lymph to the tissues and creating lymph fluids c.removing infectious agents and making white blood cells d.making red blood cells and removing infectious agents
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The model illustrates a process by which a substance is taken up by a cell. which statements describe the process? a. the model shows the process of endocytosis. b. the process shown in the model requires energy from the cell. c. the cell membrane in the model remains intact throughout the process. d. the model shows the process of facilitated diffusion.
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Which one of these is an example of structural protein in plants? a. chitin b. lignin c. keratin...
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