188+ quick-fire dental facts • tap a card to flip
Apo C-II is an essential activator of lipoprotein lipase.
Which apolipoprotein activates lipoprotein lipase?
1) Apo A-I
2) Apo B100
3) Apo C-II
4) Apo E
Isoleucine yields both acetyl-CoA and succinyl-CoA.
Which amino acid is both glucogenic and ketogenic?
1) Glycine
2) Leucine
3) Isoleucine
4) Lysine
Fluoride inhibits enolase and is used in glucose estimation tubes.
The first enzyme inhibited by fluoride during glycolysis is:
1). Hexokinase
2). Phosphofructokinase
3). Enolase
4). Pyruvate kinase
Acetyl-CoA cannot be converted into glucose because pyruvate dehydrogenase is irreversible.
Which substrate is NOT gluconeogenic?
1) Alanine
2) Lactate
3) Glycerol
4) Acetyl-CoA
Apo A-I activates LCAT, promoting cholesterol esterification in HDL.
Lecithin cholesterol acyltransferase (LCAT) is activated by:
1) Apo A-I
2) Apo C-II
3) Apo B100
4) Apo E
An important rate limiting step of Kreb's cycle is catalysed by
1. pyruvate dehydrogenase
2. isocitrate dehydrogenase
3. succinate dehydrogenase
4. citrate synthetase
Thiamine deficiency impairs pyruvate dehydrogenase leading to pyruvate accumulation.
Which vitamin deficiency commonly presents with peripheral neuropathy and high pyruvate levels?
1). Vitamin B1
2). Vitamin C
3). Vitamin D
4). Vitamin K
Glycogen is stored mainly in the liver and skeletal muscle.
The principal storage carbohydrate in humans is:
1) Cellulose
2) Glycogen
3) Amylose
4) Amylopectin
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