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Biology

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
A higher level of folding in which the helices and sheets of the secondary structure fold on themselves   Protein Tertiary Structure  
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A combination of two or more polypeptide subunit. When two or more polypeptides join to make a protein.   Quaternary Structures  
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Are non-living physical and chemical elements in the eco system. Resources are obtained from the lithosphere, atmosphere & hydrosphere   Abiotic  
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Are living or once-living organisms in the ecosystem. these are capable of reproducing   Biotic  
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A formation of a regular patten of twists or knits of the polypeptide chain. Two most common types of secondary structures are called the alpha helix and B pleated sheet.   Protein Secondary Structure  
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Collagen is a fibrous protein of three polypeptides and hemoglobin has four   Collagen and Hemoglobin  
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A sequence of amino acids   Protein Primary Structure  
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