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 |