Back to AI Flashcard MakerBiology /Biology NEET - XI: Chapter 9- Biomolecules Part 4
What is a coenzyme?
Loosely bound organic cofactor
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Key Terms
Term
Definition
What is a coenzyme?
Loosely bound organic cofactor
What is the buttressing site of an enzyme according to induced fit theory?
The site of attachment of substrate
What is the function of the catalytic site of an enzyme according to induced fit theory?
It breaks down old bonds and helps in formation of new bond
What is Michaelis constant?
The amount of substrate which brings rate of reaction to half it's maximum value
What happens to Vmax in case of competitive inhibition?
It remains the same.
What happens on increasing the concentration of substrate in competitive inhibition?
Product is formed. (Inhibition is reversible)
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| Term | Definition |
|---|---|
What is a coenzyme? | Loosely bound organic cofactor |
What is the buttressing site of an enzyme according to induced fit theory? | The site of attachment of substrate |
What is the function of the catalytic site of an enzyme according to induced fit theory? | It breaks down old bonds and helps in formation of new bond |
What is Michaelis constant? | The amount of substrate which brings rate of reaction to half it's maximum value |
What happens to Vmax in case of competitive inhibition? | It remains the same. |
What happens on increasing the concentration of substrate in competitive inhibition? | Product is formed. (Inhibition is reversible) |
What happens to the Km value in competitive inhibition? | Km value increases. |
Is non-competitive inhibition reversible? | No |
What happens to the Vmax value of non competitive inhibition? | Vmax value decreases. |
What happens to the Km value of enzyme in non competitive inhibition? | It remains the same. |
Inhibition of succinate by fumerate is an example of which type of inhibtion? | Competitive inhibition |
Effect of cyanide poisoning on cytochrome oxidaze enzyme is an example of which inhibition? | Non-competitive inhibition |
What is a substance that binds to the enzyme and induces the enzyme's inactive form called? | Allosteric inhibitor |
What is a substance that inhibits the action of an enzyme by binding to the enzyme at a location other than the active site called? | Non competitive inhibitor |
Which liquid should a plant/animal tissue be grinded in to chemically analyse it? | Trichloroacetic acid |
What does the ash after burning a tissue contain? | Inorganic compounds |
In which amino acid the variable group is hydroxymethyl? | Serine |
How many carbons does arachidonic acid have? | 20 |
What are monoterpenes and diterpenes? | Terpenoides |
Which end in a polysaccharide chain is called reducing end? | Right end |
Which end in a polysaccharide chain is called non reducing end? | Left end |
What does the left end of an amino acid represent? | First amino acid |
Which is the Nterminal of amino acid? | First amino acid |
Which is the C terminal of amino acid? | Last amino acid |
What is the normal concentration of glucose in blood in mMol? | 4.5 -5.0 mMol |
What is the prosthetic group in enzyme peroxidase and catalase? | Haem |
Which vitamin forms NAD and NADP? | Niacin |
Which metal ion is required as a cofactor for proteolytic enzyme carboxypeptidase? | Zn |