Podcast
Questions and Answers
What is the typical number of different proteins found in a cell?
What is the typical number of different proteins found in a cell?
- 20000
- 15000
- 5000
- 9000 (correct)
What is the primary function of proteins in the body?
What is the primary function of proteins in the body?
- To synthesize DNA
- To catalyze reactions in living systems (correct)
- To provide energy for the body
- To regulate body temperature
What is the term used to describe the form of amino acids with both positive and negative charges?
What is the term used to describe the form of amino acids with both positive and negative charges?
- Zwitterion (correct)
- Ionized
- Polarized
- Neutralized
Which of the following amino acids does not have a stereocenter at the a-carbon?
Which of the following amino acids does not have a stereocenter at the a-carbon?
What is the term used to describe the shape of proteins that are found in skin, bone, hair, and nails?
What is the term used to describe the shape of proteins that are found in skin, bone, hair, and nails?
What is the role of proteins in the diet?
What is the role of proteins in the diet?
What is the pH at which the majority of molecules of an amino acid have no net charge?
What is the pH at which the majority of molecules of an amino acid have no net charge?
Which of the following amino acids is a key precursor to neurotransmitters?
Which of the following amino acids is a key precursor to neurotransmitters?
What is the term for the modification of amino acids by certain organisms after biosynthesis?
What is the term for the modification of amino acids by certain organisms after biosynthesis?
What is the term for a molecule composed of 3 amino acids joined by peptide bonds?
What is the term for a molecule composed of 3 amino acids joined by peptide bonds?
What is the side chain of the amino acid cysteine?
What is the side chain of the amino acid cysteine?
What is the term for the bond between the a-carboxyl group of one amino acid and the a-amino acid group of another amino acid?
What is the term for the bond between the a-carboxyl group of one amino acid and the a-amino acid group of another amino acid?
