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Questions and Answers
What is the main function of amino acids in living organisms?
What is the main function of amino acids in living organisms?
- Serving as a source of energy
- Acting as building blocks for proteins (correct)
- Facilitating photosynthesis
- Storing genetic information
Which part of an amino acid is unique and varies among the 20 different types?
Which part of an amino acid is unique and varies among the 20 different types?
- Hydrogen atom
- R group (side chain) (correct)
- Amino group
- Carboxyl group
What type of carbon is the chiral center in an amino acid?
What type of carbon is the chiral center in an amino acid?
- δ carbon
- α carbon (correct)
- γ carbon
- β carbon
Why is glycine considered a unique amino acid among the 20 common types?
Why is glycine considered a unique amino acid among the 20 common types?
Which functional group is attached to the α-carbon in amino acids?
Which functional group is attached to the α-carbon in amino acids?
Which type of amino acids are relatively nonpolar and hydrophobic?
Which type of amino acids are relatively nonpolar and hydrophobic?
Which amino acid residues have the secondary amino (imino) group held in a rigid conformation?
Which amino acid residues have the secondary amino (imino) group held in a rigid conformation?
Which amino acid is an example of an imino acid with the -NH2 group bound in a ring structure?
Which amino acid is an example of an imino acid with the -NH2 group bound in a ring structure?
Which amino acid can form hydrogen bonds due to the presence of a hydroxyl group?
Which amino acid can form hydrogen bonds due to the presence of a hydroxyl group?
Which class of amino acids includes phenylalanine, tyrosine, and tryptophan?
Which class of amino acids includes phenylalanine, tyrosine, and tryptophan?
Which type of amino acids are significantly more polar than phenylalanine?
Which type of amino acids are significantly more polar than phenylalanine?
Which amino acid is an example of a simple amino acid with a non-polar aliphatic R group?
Which amino acid is an example of a simple amino acid with a non-polar aliphatic R group?
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