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Met.biochem L1
Worst topic EVER
Question | Answer |
---|---|
3 types of macronutrients | -carbs -proteins -lipids |
ingest most carbs as ________, but also _________ | -starch from plants -animal glycogen |
oral cavity secretes.... | -salivary amylase |
Pancreas secretes.... | -amylase -&isomaltase |
Oliglosaccharides in *starch *milk *plants sources | -maltose -lactose -sucrose |
Carb. met. 3 types | -glycolysis -gluconeogenesis -TCA cycle |
carbs are absorbed as? | Disaccharide's |
What do brush border cells do? | -absorb disaccharides -large SA -lots of transporters |
Amylase Fn. & where is it found? | -cleaves a1-6 glycosidic bonds -pancreatic & salivary |
Isomaltase Fn & location? | -cleaves a1-4glycosidic bonds -pancreatic |
Cellulose digestion in humans? | -can't degrade -B1-4glycosidic links -dietary fibre |
lactose intolerance | -no lactase enzyme -not hydrolysed |
Galactosaemia | -can't hydrolyse galactose |
Fructose metabolism | -by fructosekinase -bypass phosphofructosekinase -unregulated |
Co-enzyme/factors are... | small molecules that participate in catalytic activity of enzymes -unchanged & recylced -have to be in diet |
Adenosine triphosphate | -high E -hydrolysis-->ADP & Energy |
Pellagra | -deficient in tryptophan -dementia, death, diarrhea,photosensitive dermatitis |
UTP | -polysaccharide synthesis |
CTP | -phospholipid synthesis |
ATP | -protein synthesis |