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Questions and Answers
Which vitamin is classified as a fat soluble vitamin?
Which vitamin is classified as a fat soluble vitamin?
- Vitamin B6
- Vitamin A (correct)
- Vitamin C
- Vitamin B12
Which vitamin undergoes storage in the liver?
Which vitamin undergoes storage in the liver?
- Vitamin K
- Vitamin D (correct)
- Vitamin C
- Vitamin E
Which form of vitamin D is the active form?
Which form of vitamin D is the active form?
- Calcitriol
- 1,25dihydroxycholecalciferol (correct)
- Vitamin D2
- Vitamin D3
Which vitamin must be supplied in the diet?
Which vitamin must be supplied in the diet?
Which vitamin is commonly found in green leafy vegetables and citrus fruits?
Which vitamin is commonly found in green leafy vegetables and citrus fruits?
Which class of enzymes catalyze the transfer of functional groups between molecules?
Which class of enzymes catalyze the transfer of functional groups between molecules?
Which model of the active site describes conformational changes in shape after binding of the substrate?
Which model of the active site describes conformational changes in shape after binding of the substrate?
Which factor can affect the rate of enzyme-catalyzed reaction?
Which factor can affect the rate of enzyme-catalyzed reaction?
What are isoenzymes?
What are isoenzymes?
Plasma enzymes have clinical significance because they...
Plasma enzymes have clinical significance because they...
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Study Notes
Vitamins
- Vitamins A, D, E, and K are classified as fat-soluble vitamins.
- Vitamin A, D, and B12 undergo storage in the liver.
- Calcitriol is the active form of vitamin D.
- Vitamin D must be supplied in the diet, as it is not synthesized by the body.
- Vitamin C is commonly found in green leafy vegetables and citrus fruits.
Enzymes
- Transferases are the class of enzymes that catalyze the transfer of functional groups between molecules.
- The induced fit model describes conformational changes in the shape of the active site after binding of the substrate.
- Factors that can affect the rate of enzyme-catalyzed reactions include pH, temperature, substrate concentration, and enzyme concentration.
- Isoenzymes are enzymes that have different amino acid sequences but catalyze the same reaction.
- Plasma enzymes have clinical significance because they can be used as diagnostic tools to detect diseases, such as heart attacks or liver damage.
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