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?
- 15000
- 9000 (correct)
- 5000
- 12000
What is the main function of enzymes, which are a type of protein?
What is the main function of enzymes, which are a type of protein?
- Store nutrients
- Provide structural support
- Catalyze reactions in living systems (correct)
- Transport oxygen
What is the distinguishing feature of the amino acid proline?
What is the distinguishing feature of the amino acid proline?
- It has no amino group
- It has a secondary amino group (correct)
- It has a tertiary amino group
- It has a primary amino group
What is the term for the form of amino acids that has both a positive and negative charge?
What is the term for the form of amino acids that has both a positive and negative charge?
What is the characteristic of all protein-derived amino acids except glycine?
What is the characteristic of all protein-derived amino acids except glycine?
What is the general term for the side chains of non-polar amino acids?
What is the general term for the side chains of non-polar amino acids?
What is the term for the pH at which the majority of molecules of an amino acid have no net charge?
What is the term for the pH at which the majority of molecules of an amino acid have no net charge?
Which amino acid is a key precursor to neurotransmitters such as serotonin and catecholamines?
Which amino acid is a key precursor to neurotransmitters such as serotonin and catecholamines?
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 type of bond that forms between the a-carboxyl group of one amino acid and the a-amino group of another amino acid?
What is the type of bond that forms between the a-carboxyl group of one amino acid and the a-amino group of another amino acid?
Which of the following amino acids has a sulfhydryl group (-SH)?
Which of the following amino acids has a sulfhydryl group (-SH)?
What is the term for a molecule composed of 2 amino acids joined by a peptide bond?
What is the term for a molecule composed of 2 amino acids joined by a peptide bond?
