Q: Tropomyosin is a type of what, that winds around the chains of the actin filament and covers the myosin-binding sites to prevent actin from binding to myosin? Choices: - enzyme - bacteria - amine - protein A:
protein
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Q: Through which artery does blood enter the kidneys? Choices: - thoracic artery - jugular - cerebral artery - renal artery A:
renal artery
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Q: Unlike eukaryotic cells, dna and rna synthesis in prokaryotic cells occurs together with synthesis of what? Choices: - membrane - fruit - mutation - protein A:
protein
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Q: In earthworms, the skin serves as what type of organ? Choices: - kidney - reproductive - excretory - respiratory A:
respiratory
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