Protein Structure and Function

What are amino acids?

• Amino acids are the building blocks of proteins.

• Amino acids are used for energy storage.

• Amino acids are found only in animal cells.

• Amino acids are carbohydrates.

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What is the primary structure of a protein?

• Three-dimensional shape of amino acids

• Secondary structure of amino acids

• Linear sequence of amino acids

• Quaternary structure of amino acids

What is the secondary structure of a protein?

• The secondary structure of a protein refers to the interactions between different protein chains.

• The secondary structure of a protein refers to the sequence of amino acids in the protein chain.

• The secondary structure of a protein refers to the local folding patterns within a protein chain.

• The secondary structure of a protein refers to the overall three-dimensional shape of the protein.

What is the tertiary structure of a protein?

• The tertiary structure of a protein refers to the sequence of amino acids in the protein.

• The tertiary structure of a protein refers to the three-dimensional arrangement of the protein's secondary structure elements and any other structural features.

• The tertiary structure of a protein refers to the arrangement of the protein's primary structure elements.

• The tertiary structure of a protein refers to the two-dimensional arrangement of the protein's secondary structure elements.

What is the quaternary structure of a protein?

• Arrangement of multiple protein domains within a single protein molecule.

• The folding of a single protein chain into a three-dimensional structure.

• Arrangement of multiple protein subunits into a functional protein complex.

• The sequence of amino acids in a protein.

Which level of protein structure is determined by the order of amino acids?

• tertiary structure

• primary structure

• secondary structure

• quaternary structure

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NGSS.HS-LS1-1

Proteins are organic molecules.

• True

• False

• Only in plants.

• Only in animals.

Which level of protein structure is determined by hydrogen bonding between amino acids?

• primary structure

• tertiary structure

• quaternary structure

• secondary structure

Which level of protein structure is determined by interactions between R groups of amino acids?

• tertiary structure

• quaternary structure

• secondary structure

• primary structure

Which level of protein structure involves the arrangement of multiple protein subunits?

• primary structure

• secondary structure

• tertiary structure

• quaternary structure