Question 1
Which of the following would NOT be used in connection with the word
acid?
◦ excess hydrogen ions
◦ contents of the stomach
◦ magnesium hydroxide
◦ pH less than 7
◦ HCl
Question 2
Which part of the amino acid helps to determine its chemical properties?
◦ the amino group
◦ the carboxyl group
◦ the covalent bonds
◦ the peptide bond
◦ the R group