Podcast
Questions and Answers
What is the main function of enzymes in living organisms?
What is the main function of enzymes in living organisms?
- Speed up chemical reactions (correct)
- Maintain the structure of proteins
- Facilitate transport across cell membranes
- Regulate genetic information
How do enzymes exhibit specificity?
How do enzymes exhibit specificity?
- By assisting in the synthesis of proteins
- By building and breaking down substances
- By regulating metabolic events
- By binding only to certain substrates (correct)
Which molecules are proteins made up of?
Which molecules are proteins made up of?
- Amino acids (correct)
- Fatty acids
- Nucleotides
- Monosaccharides
What is the role of amino acids in living systems?
What is the role of amino acids in living systems?
Why are enzymes important in diagnostic procedures?
Why are enzymes important in diagnostic procedures?
What is the significance of the three-dimensional structure of proteins?
What is the significance of the three-dimensional structure of proteins?
What is the main role of enzymes in living cells?
What is the main role of enzymes in living cells?
Which type of enzyme is made up of only protein molecules?
Which type of enzyme is made up of only protein molecules?
What is the non-protein component of a holoenzyme called?
What is the non-protein component of a holoenzyme called?
What are coenzymes mainly responsible for during enzyme reactions?
What are coenzymes mainly responsible for during enzyme reactions?
What are coenzymes often referred to as due to their role in enzyme catalysis?
What are coenzymes often referred to as due to their role in enzyme catalysis?
If a cofactor is an organic compound, what is it specifically called?
If a cofactor is an organic compound, what is it specifically called?
Which type of enzymes catalyze oxidation-reduction reactions?
Which type of enzymes catalyze oxidation-reduction reactions?
Which type of enzymes catalyze the addition of a group to a double bond or the removal of a group to form a double bond?
Which type of enzymes catalyze the addition of a group to a double bond or the removal of a group to form a double bond?
Enzymes catalyzing the linking together of 2 compounds coupled to the breaking of a pyrophosphate bond in ATP are known as?
Enzymes catalyzing the linking together of 2 compounds coupled to the breaking of a pyrophosphate bond in ATP are known as?
Which enzymes catalyze hydrolysis of various bonds by utilizing water?
Which enzymes catalyze hydrolysis of various bonds by utilizing water?
Enzymes catalyzing interconversion of aldose and ketoses belong to which class?
Enzymes catalyzing interconversion of aldose and ketoses belong to which class?
Which enzymes catalyze a transfer of a group other than hydrogen?
Which enzymes catalyze a transfer of a group other than hydrogen?
What chemical state is required for the enzyme and substrate to interact in a catalytic process?
What chemical state is required for the enzyme and substrate to interact in a catalytic process?
What effect does an extreme pH have on enzymes?
What effect does an extreme pH have on enzymes?
What is the effect of substrate concentration on enzyme activity?
What is the effect of substrate concentration on enzyme activity?
Why does the catalytic activity of enzymes decline at alkaline pH?
Why does the catalytic activity of enzymes decline at alkaline pH?
In what form does the amino-group of the enzyme need to be for catalytic activity to occur?
In what form does the amino-group of the enzyme need to be for catalytic activity to occur?
Why do enzymes designed to work at neutral pH get denatured in an acidic environment?
Why do enzymes designed to work at neutral pH get denatured in an acidic environment?
What does it mean when an enzyme is at its Vmax?
What does it mean when an enzyme is at its Vmax?
What does Km represent in the Michaelis-Menten equation?
What does Km represent in the Michaelis-Menten equation?
How is Km numerically related to Vmax?
How is Km numerically related to Vmax?
What happens when 50% of the active sites of an enzyme are saturated by substrate?
What happens when 50% of the active sites of an enzyme are saturated by substrate?
How does increasing the concentration of substrate affect enzyme activity?
How does increasing the concentration of substrate affect enzyme activity?
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