Podcast
Questions and Answers
What do proteins do in the form of enzymes, hormones, antibodies, and globulins?
What do proteins do in the form of enzymes, hormones, antibodies, and globulins?
- Catalyze, regulate, and protect the body chemistry (correct)
- Hold together, protect, and provide structure to the body
- Transport oxygen and other natural α-amino acids
- Effect the breakdown of amino acids
What is the primary structural unit of proteins?
What is the primary structural unit of proteins?
- Polypeptides (correct)
- Globulins
- Lipoproteins
- Enzymes
How are dietary proteins related to essential amino acids?
How are dietary proteins related to essential amino acids?
- Dietary proteins are not a source of essential amino acids
- Dietary proteins inhibit the absorption of essential amino acids
- Dietary proteins are the source of essential amino acids (correct)
- Dietary proteins contain all amino acids except the essential ones
What is the meaning of the Greek word 'proteios' from which the term 'proteins' is derived?
What is the meaning of the Greek word 'proteios' from which the term 'proteins' is derived?
What is the result of boiling aqueous acid or base with proteins?
What is the result of boiling aqueous acid or base with proteins?
How many types of amino acids make up a protein?
How many types of amino acids make up a protein?
Which type of amino acids can be obtained through our diet?
Which type of amino acids can be obtained through our diet?
What is the function of insulin?
What is the function of insulin?
What bonds connect the amino group of one amino acid to the carboxyl group of the other amino acid in a protein chain?
What bonds connect the amino group of one amino acid to the carboxyl group of the other amino acid in a protein chain?
What is determined by the sequence of amino acids in the protein chain?
What is determined by the sequence of amino acids in the protein chain?
Which type of secondary structure has a right-handed coiled strand?
Which type of secondary structure has a right-handed coiled strand?
What type of bonding makes the α-helix structure especially stable?
What type of bonding makes the α-helix structure especially stable?
What type of tertiary structure shows specific local structural conformations dependent on hydrogen bonding?
What type of tertiary structure shows specific local structural conformations dependent on hydrogen bonding?
What classifies proteins based on their sequence of amino acids in the chain?
What classifies proteins based on their sequence of amino acids in the chain?
Which structural conformation consists of pairs of strands lying side-by-side, with carbonyl oxygens in one strand bonding with the amino hydrogens of the adjacent strand?
Which structural conformation consists of pairs of strands lying side-by-side, with carbonyl oxygens in one strand bonding with the amino hydrogens of the adjacent strand?
What is the primary structural unit of proteins?
What is the primary structural unit of proteins?
What type of bonding makes the α-helix structure especially stable?
What type of bonding makes the α-helix structure especially stable?
What is determined by the sequence of amino acids in the protein chain?
What is determined by the sequence of amino acids in the protein chain?
What is the result of boiling aqueous acid or base with proteins?
What is the result of boiling aqueous acid or base with proteins?
What do proteins do in the form of hemoglobin, myoglobin, and various lipoproteins?
What do proteins do in the form of hemoglobin, myoglobin, and various lipoproteins?
How are dietary proteins related to essential amino acids?
How are dietary proteins related to essential amino acids?
Which of the following types of proteins carries out the function of transporting nutrients across cell membranes?
Which of the following types of proteins carries out the function of transporting nutrients across cell membranes?
In which type of protein structure is the sequence of amino acids in the protein chain determined?
In which type of protein structure is the sequence of amino acids in the protein chain determined?
What type of bonding is responsible for making the α-helix structure especially stable?
What type of bonding is responsible for making the α-helix structure especially stable?
Which type of secondary structure consists of pairs of strands lying side-by-side, with carbonyl oxygens in one strand bonding with the amino hydrogens of the adjacent strand?
Which type of secondary structure consists of pairs of strands lying side-by-side, with carbonyl oxygens in one strand bonding with the amino hydrogens of the adjacent strand?
Which amino acid conformation depends on hydrogen bonding and consists of right-handed coiled strands with stable hydrogen bonds?
Which amino acid conformation depends on hydrogen bonding and consists of right-handed coiled strands with stable hydrogen bonds?
What is the main function of insulin, a type of protein?
What is the main function of insulin, a type of protein?
Which type of protein can fight infectious agents in living organisms?
Which type of protein can fight infectious agents in living organisms?
What determines the local structural conformations of proteins dependent on hydrogen bonding?
What determines the local structural conformations of proteins dependent on hydrogen bonding?
What kind of bond connects the carboxyl group of one amino acid with the amino group of another amino acid in a protein chain?
What kind of bond connects the carboxyl group of one amino acid with the amino group of another amino acid in a protein chain?
In what form do some proteins function as within living organisms?
In what form do some proteins function as within living organisms?
What are proteins formed by and what type of bond connects their amino acids to each other?
What are proteins formed by and what type of bond connects their amino acids to each other?