Proteins and Nucleic Acids Assessment 2023

The breakdown of polymers back into monomers by adding water is what type of reaction?

• Hydrolysis
• Dehydration Synthesis

Which organic compound uses amino acids as its monomers

• Carbohydrates
• Lipids
• Protiens

Which is not a function of a protein

• Muscle growth (structure)
• Speeds up chemical reactions
• Long-term energy storage

A nucleotide consists of all except

• Phosphate
• Sugar
• Nitrogen Base
• All 3 are in a nucleotide

What nucleic acid has a double helix shape

• DNA
• RNA
• Both

The bond between 2 amino acids is a _________ bond.

• hydrogen
• ionic
• peptide

Enzymes speed up chemical reactions by ....

• increasing activation energy.
• reducing activation energy.

Lipids are different from other organic compounds because they ...

• contain twice as many hydrogen atoms as carbon atoms.
• do not dissolve in water.
• are not found in plants only animals.

The number of amino acids is

• 10
• 30
• 20

The lock and key model (induced fit model) is used to illustrate the actions of which organic molecule?

• Proteins
• Lipids
• Carbohydrates