Proteins, Structure and Functions

Check all of the boxes that can be a function of a protein.

• help transport nutrients like oxygen in the blood

• can help speed up chemical reactions like fat digestion

• build structures like hair and nails

• make up structures like antibodies and membrane pumps

Proteins are made of 21 building blocks known as ________.

• monosaccharides

• nucleic acids

• amino acids

• cholesterol

Tags

NGSS.HS-LS1-6

Amino acids are made of which of the following?

• C,H,O, AND P 

• x (CH2O) Where x can be any whole number 

• C,H,O, AND N

• C,H,O and long C-H side chains 

Tags

NGSS.HS-LS1-6

The primary structure of a protein is:

• the protein structure at its preferred pH and temperature.

• the protein structure that results from intermolecular twisting and bonding.

• the final, most important, folded structure of the protein.

• the sequence of amino acids coded by the DNA.

Tags

NGSS.HS-LS1-1

What is a peptide bond?

• the bond resulting from joining two amino acids

• a bond formed by removing H and O-H from adjacent amino acids so that they can link together

• both of these

Choose the diagram that represents a secondary protein structure?

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Choose the diagram that represents a quaternary protein structure?

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The functions of many proteins is determined by the shape. Shape is often determined by characteristics of amino acids. The _____________ region of a protein would orient towards the watery surface of a cell.

• Hydrophobic

• Hydrophilic

• Charged

Tags

NGSS.HS-LS1-1

The _____________ region of a protein would orient away from the watery surface of a cell.

• Hydrophobic

• Hydrophilic

• Charged

_____________ amino acid regions allow the protein to interact with substances with complementary charges. (+ -)

• Hydrophobic

• Hydrophilic

• Charged