Metabolism Flashcards
(28 cards)
Microbiome
Intestinal flora, symbiotic organisms
Metabolism
the sum of all anabolic and catabolic processes
Anabolic
bio synthetic processes
Catabolic
degradation processes
Glycolysis occurs in __________
Cytosol
What occurs in the mitochondria?
TCA cycle and oxidative phosphorylation
Ability to recover energy equivalents (ATP) by oxidation of…
sugars, fatty acids, and amino acids
Glycolysis converts _____ unit of glucose to _____ units of pyruvate
One, two
Glycolysis produces net gain of…
2 ATP, 2 NADH
What molecule enters the Krebs cycle?
Acetyl CoA
Krebs Cycle yields…
3 NADH, 1 GTP, 1 FADH2, 2CO2
Energy derived from oxidation of _______ and _______ creates a proton gradient across inner mitochondrial membrane
NADH, FADH2
Pancreas is attached to the digestive tract at the ______
duodenum
Isletsof Langerhans
Endocrine pancreas cells, secrete hormones including insulin and glucagon into nearby blood vessels
Insulin _______ transport of glucose and amino acids into cells
Increase
Glucagon is found in ___ cells
alpha
Insulin is found in ____ cells
Beta
In muscle cells, insulin…
glycogen synthesis
In the liver, insulin…
suppresses glycogenolysid
In the kidney tubules, insulin…
Increases absorption of glucose from filtrate
Glucagon release from pancreas triggered by relatively ________ blood glucose levels.
Low
In the liver, glucagon…
Induces glycogenolysis, releasing glucose into blood
Insulin has a _______ effect on glucagon release
Negative
Glucagon ________ release of insulin in the pancreas
Promotes
