Higher Chemistry - Unit 2 - Proteins

Proteins are composed of what smaller subunits?

• amino acids
• nucleic acids
• fatty acids
• nucleotides

Which colored box highlights the amino group?

• Blue (left)

• Turquoise (top)

• Orange

• Red

• Purple

Tags

NGSS.HS-LS1-6

Which colored box highlights the carboxyl?

• Blue (left)

• Turquoise (top)

• Orange

• Red

• Purple

Tags

NGSS.HS-LS1-6

What is a long chain of amino acids called?

• Polysaccharide

• Lipid

• Carbohydrate

• Polypeptide

• Nucleic acid

Tags

NGSS.HS-LS1-1

Enzymes belong to which category of organic molecule?

• Proteins

• Lipids

• Carbohydrates

• Nucleic acids

Which statement about enzymes is FALSE?

• They are made from amino acids

• They can be used multiple times

• They lower the energy needed for reactions

• A single enzyme has many different functions

The bond that joins amino acids are called:

• Peptide Bonds
• Ester Bonds
• Glycosidic Linkages
• Phosphodiester Bonds

Tags

NGSS.HS-LS1-6

If a methyl group (-CH₃), which does not like water, were at the 'R', the amino acid would likely be:

• Hydrophobic

• Hydrophilic

• Ionic

• Acidic

The reaction used to digest and break the bond in red is:

• Hydrolysis
• Dehydration Synthesis
• Oxidation
• Single Displacement

The structure of proteins can be changed by environmental factors such as temperature or pH.

• True
• False