Froggy Jumps Amino Acids Quiz ChallengeOnline version Test your knowledge on amino acids with this fun quiz game! by Gulnar Tas 1 What are amino acids the building blocks of? a Proteins b Lipids c Carbohydrates 2 How many standard amino acids are there? a 18 b 20 c 22 3 Which amino acid is essential for humans? a Serine b Leucine c Alanine 4 What is the structure of an amino acid? a A linear chain b A ring structure c A central carbon, amino group, carboxyl group, and R group 5 Which amino acid is known as the 'building block' of proteins? a Tyrosine b Glycine c Cysteine 6 What type of bond links amino acids together? a Ionic bond b Peptide bond c Hydrogen bond 7 Which amino acid contains sulfur? a Glutamine b Aspartic acid c Cysteine 8 Which amino acid is known for its role in neurotransmission? a Proline b Histidine c Glutamate 9 What is the R group in an amino acid? a The amino group b The carboxyl group c The variable side chain 10 Which amino acid is a precursor to serotonin? a Tryptophan b Valine c Phenylalanine