Podcast
Questions and Answers
What is the elemental composition of proteins?
What is the elemental composition of proteins?
- 50–55% carbon, 6–7% hydrogen, 20–23% oxygen, 12–19% nitrogen, and 0.2–3.0% sulfur (correct)
- 50–55% nitrogen, 6–7% carbon, 20–23% oxygen, 12–19% hydrogen, and 0.2–3.0% sulfur
- 50–55% oxygen, 6–7% nitrogen, 20–23% carbon, 12–19% sulfur, and 0.2–3.0% hydrogen
- 50–55% hydrogen, 6–7% sulfur, 20–23% nitrogen, 12–19% carbon, and 0.2–3.0% oxygen
Which role do proteins play in living organisms and foods?
Which role do proteins play in living organisms and foods?
- Provide structure and act as catalysts (correct)
- Participate in gelation and increase viscosity
- Function as emulsifiers and water bonding agents
- Cause allergies and browning reactions
What are examples of fibrous proteins?
What are examples of fibrous proteins?
- Actin and fibrin
- Globular and linear polypeptide chains
- Collagen and keratin (correct)
- Tropomyosin and elastin
What is the function of food proteins?
What is the function of food proteins?
What is the primary source of nitrogen in proteins?
What is the primary source of nitrogen in proteins?
What are the functional properties of proteins?
What are the functional properties of proteins?
What are the basic structural units of proteins?
What are the basic structural units of proteins?
Which group determines the polarity, hydrophobicity, structure, and functionality of amino acids?
Which group determines the polarity, hydrophobicity, structure, and functionality of amino acids?
In which type of proteins are alpha-helices the main structure?
In which type of proteins are alpha-helices the main structure?
Which class of amino acids is found more in the interiors of proteins where there is little or no access to water?
Which class of amino acids is found more in the interiors of proteins where there is little or no access to water?
What type of structure is formed with internal hydrogen bonds between C=O and N-H?
What type of structure is formed with internal hydrogen bonds between C=O and N-H?
Which group joins amino acids in peptides?
Which group joins amino acids in peptides?
Which amino acid behavior is characterized by being neutral, acidic, or basic?
Which amino acid behavior is characterized by being neutral, acidic, or basic?
What refers to the arrangement of protein in space?
What refers to the arrangement of protein in space?
How many levels of protein structure are there?
How many levels of protein structure are there?
Which type of proteins have a high amount of beta-sheet structure?
Which type of proteins have a high amount of beta-sheet structure?
What is the elemental composition of proteins?
What is the elemental composition of proteins?
What are the two main structural organizations of proteins?
What are the two main structural organizations of proteins?
What type of proteins can be formed as a result of linear aggregation of small globular proteins?
What type of proteins can be formed as a result of linear aggregation of small globular proteins?
What are the functional properties of proteins?
What are the functional properties of proteins?
What refers to the arrangement of protein in space?
What refers to the arrangement of protein in space?
What role do food proteins play in food products?
What role do food proteins play in food products?
What type of amino acids are generally found on the surfaces of proteins?
What type of amino acids are generally found on the surfaces of proteins?
Which property determines the polarity, hydrophobicity, structure, and functionality of amino acids?
Which property determines the polarity, hydrophobicity, structure, and functionality of amino acids?
What is the main structure in fibrous proteins?
What is the main structure in fibrous proteins?
What is the primary source of nitrogen in proteins?
What is the primary source of nitrogen in proteins?
Which class of amino acids is primarily found in the interiors of proteins where there is little or no access to water?
Which class of amino acids is primarily found in the interiors of proteins where there is little or no access to water?
Which type of protein has a high amount of beta-sheet structure?
Which type of protein has a high amount of beta-sheet structure?
What refers to the arrangement of protein in space?
What refers to the arrangement of protein in space?
What type of structure is formed with internal hydrogen bonds between C=O and N-H?
What type of structure is formed with internal hydrogen bonds between C=O and N-H?
