AP Bio Final Rev Biochem

Which of the following is most closely related to the secondary structure of proteins?

• lipids

• peptide bonds

• alpha helix

• cellulose

Which two functional groups are always found in amino acids?

• amine and sulfhydryl

• hydroxyl and carboxyl

• carboxyl and amine

• phosphate group and nitrogenous base

Tags

NGSS.HS-LS1-6

The tremendous variation and unique properties of proteins are most likely a result of

• interactions between R groups of the amino acids

• hydrogen bonds lining amino acids

• the sequence of amino acids in the primary structure of the protein

• peptide bonds lining amino and carboxyl groups

Tags

NGSS.HS-LS1-6

Water is an excellent solvent. Select the property that justifies this statement.

• as a polar molecule, it can surround and dissolve ionic and polar molecules

• it forms ionic bonds with ions, hydrogen bonds with polar molecules, and hydrophobic interactions with non polar molecules

• it forms hydrogen bonds with itself so cohesion is possible

• it is liquid and will adhere to many substances

which is a protein monomer?

• 
• 
• 
• 

Tags

NGSS.HS-LS1-6

What type of macromolecule is shown in the image below?

• Carbohydrate
• Nucleic Acid
• Fatty Acid
• Protein

An unknown molecule contains a sugar and a phosphate group. It is likely what?

• carbohydrate
• protein
• lipid
• nucleic acid

Tags

NGSS.HS-LS1-6

Identify the macromolecule in the image below.

• carbohydrate
• nucleic acid
• protein
• lipid

This image is of what type of macromolecule?

• lipid

• carbohydrate

• protein

• nucleic acid

The partial negative charge at one end of a water molecule is attracted to a partial positive charge of another water molecule. What is this type of attraction called?

• a polar covalent bond

• an ionic bond

• a hydration shell

• a hydrogen bond