Basics of Protein Structure

What is a of the functions of a protein?

• cell energy

• structure

• long term energy storage

• contain genetic information

Tags

NGSS.HS-LS1-1

Which of the following describes the secondary structure of proteins?

• The sequence of amino acids

• The α-helix and β-pleated sheet folding

• The folding of the polypeptide chain due to the 'R' groups

• The joining of different protein molecules to make one big molecule

The main bonding in the secondary structure of a protein is due to.....

• covalent bonding

• ionic bonding

• hydrogen bonding

• polar bonding

The tertiary structure folding in proteins is primary due to the interactions of....

• the 'R' groups

• the 'P' groups

• the 'A' groups

• the 'S'

What is it called when the unique 3-D shape of a protein has been disrupted or 'unravelled'?

• Denaturation

• Deproteination

• Decoupling

• Depeptidasing

Tags

NGSS.HS-LS1-1

Which of the following best describes the quaternary structure of a protein?

• The sequence of amino acids in a polypeptide chain

• The alpha-helices and beta-sheets present in a polypeptide chain

• The overall 3D shape of a single polypeptide chain

• The arrangement of multiple polypeptide chains in a protein

• Primary Structure

• Secondary Structure

• Tertiary structure

• Quaternary Structure

Tags

NGSS.HS-LS1-1

Sequence of amino acids

• Primary Structure

• Secondary Structure

• Tertiary structure

• Quaternary Structure

Tags

NGSS.HS-LS1-1

Regions stabilized by hydrogen bonds between atoms of the polypeptide backbone

• Primary Structure

• Secondary Structure

• Tertiary structure

• Quaternary Structure

Three-dimensional shape stabilized by interactions between side chains

• Primary Structure

• Secondary Structure

• Tertiary structure

• Quaternary Structure