What is a protein: 

• A polymer composed of many sugars.
• A polymer composed of many amino acids. 
• A polymer composed of fatty acids. 
• A polymer composed of nucleotides. 

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How many different amino acids are there?

• 15
• 20
• 25
• 30

What is the monomer of proteins?

• amino acids
• polypeptides
• nucleotides
• monosaccharides

Which macromolecule is this?

• carbohydrate
• lipid
• protein
• nucleic acid

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Proteins are composed of [ check all that applies]

• carbon

• hydrogen

• nitrogen

• phosphorus

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All proteins

• have a unique structure that determines their unique function.

• are exactly the same in function but different in structure.

• are exactly the same in structure but different in function.

• are enzymes.

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The order of amino acids determines the ______ and ultimately the function of a protein.

• shape

• color

• flavor

• texture

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All of the following are proteins EXCEPT

• Enzymes

• collagen

• hemoglobin

• glucose