Froggy Jumps Amino Acids Chemistry QuizOnline version Test your knowledge on amino acids and their chemistry concepts! by Isabella 1 Cuál es la estructura básica de un aminoácido? a A central carbon and two carboxyl groups. b A central nitrogen, a hydroxyl group, and a side chain. c A central carbon, an amino group, a carboxyl group, and a side chain. 2 Which amino acid is known as the 'building block' of proteins? a Glucose b Fatty acids c All amino acids are building blocks, but specifically, L-lysine is crucial. 3 What type of bond links amino acids together? a Hydrogen bonds b Ionic bonds c Peptide bonds. 4 Which amino acid is essential and must be obtained from the diet? a Serine b Alanine c Lysine. 5 What determines the unique properties of each amino acid? a The side chain (R group). b The carboxyl group c The amino group 6 Which amino acid contains sulfur in its side chain? a Tyrosine b Glutamine c Cysteine. 7 What is the pH range at which amino acids exist in zwitterionic form? a Acidic pH (3) b Basic pH (10) c Around neutral pH (7). 8 What is the role of amino acids in metabolism? a They serve as precursors for proteins and other biomolecules. b They act as hormones c They store energy 9 Which amino acid is a precursor to neurotransmitters like serotonin? a Glutamate b Tryptophan. c Histidine 10 What is the significance of the isoelectric point (pI) of an amino acid? a It is the pH at which amino acids denature. b It is the pH at which amino acids are most soluble. c It is the pH at which the amino acid has no net charge. 11 ¿Por qué se considera que la secuencia de aminoácidos en una proteína es tan importante? a Porque determina la función de la proteína en el organismo b Porque determina su color y tamaño c Porque decide cuántos enlaces peptídicos tendrá 12 ¿Qué pasaría si una proteína no adoptara su forma tridimensional correcta? a Podría volverse más fuerte b No podría cumplir bien su función en el organismo c Aumentaría su valor nutricional
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