POLYMERS AND AMINO ACIDS

Are these statements about amino acids true or false?

Amino acids behave as both acids and bases

• true

• false

Are these statements about amino acids true or false?

In the solid state amino acids exists as zwitterions

• true

• false

Are these statements about amino acids true or false?

Amino acids undergo addition polymerisation to form polypeptides

• true

• false

Are these statements about amino acids true or false?

Peptide links can undergo hydrolysis by reflux with hydrochloric acid

• true

• false

Tags

NGSS.HS-LS1-6

Are these statements about amino acids true or false?
The primary structure of the protein is how the chains fold into  $\beta$  -pleated and coil into  $\propto$  -helix

• true

• false

What's the correct definition of these keywords?

condensation polymerisation

• A type of polymerisation in which two molecules react via a hydrolysis reaction

• A type of polymerisation in which two molecules react with the addition of a molecule of water

• A type of polymerisation in which two molecules react with the elimination of a water molecule

What's the correct definition of these keywords?

zwitterions

• Amino acid molecules with a negative charge on the amine group in the form of COO- and a positive charge on the carboxylic acid group in the form of NH3+

• Amino acid molecules with a positive charge on the amine group in the form of NH3+ and a negative charge on the carboxylic acid group in the form of COO-
  

• Amino acid molecules with a negative charge on the amine group in the form of NH3- and a positive charge on the carboxylic acid group in the form of COO+

What's the correct definition of these keywords?

polyester

• A condensation polymer formed from a dicarboxylic acid and an alkene

• An addition polymer formed from a dicarboxylic acid and a diol

• A condensation polymer formed from a dicarboxylic acid and a diol

What's the correct definition of these keywords?

addition polymerisation

• A type of polymerisation where monomer molecules add together to form a peptide bond

• A type of polymerisation in which unsaturated monomers (e.g. alkenes) undergo addition reactions with themselves to form polymers.

• A type of polymerisation in which two molecules react with the elimination of a molecule of water

What's the correct definition of these keywords?

polyamide

• An addition polymer formed from a dicarboxylic acid and a diol

• An condensation polymer formed from a dicarboxylic acid and a diol

• An condensation polymer formed from a dicarboxylic acid and a diamine