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What is the difference between glycolysis and gluconeogenesis?
1. Glycolysis is anabolic pathway but Gluconeogenesis is catabolic patway 2. Glycolysis produce net 2ATP but Gluconeogenesis consume net 6ATP per glucose molecule 3. Glycolysis catabolizing sugars/polysaccharides but Gluconeogenesis synthesizing sugars/polysachharides 4. In Glycolysis, Glucose is Substrate & Pyruvate is By-Product but in Gluconeogenesis is vice versa By-Helmi Zolkeflay
Which of the following is not true about the gluconeogenesis pathway's role in organismal homeostasis?
Gluconeogenesis occurs when an organism consumes abnormally high amounts of carbohydrates and fatty acids
What is the formation of glucose from proteins and fats?
Gluconeogenesis
Is insulin a steroid hormone?
Insulin is an anabolic hormone as: 1) it promotes glycogen synthesis & inhibits glycogenolysis and gluconeogenesis in carbohydrates. 2) it promotes lipogenesis & inhibits lipolysis. 3) promotes protein synthesis & inhibits protein degradation
Is gluconeogenesis anabolic or catabolic?
At a basic level, Gluconeogensis is an anabolic process. It involves the creation of a 6 carbon glucose molecule from smaller precursors.The name gluco (glucose) neo (new) genesis (creation) is quite descriptive of what the pathway does.Ana-bolic is greek for "upward-throw"The opposite of gluconeogenesis is glycolysis (glyco for glucose, lysis for breakdown) which is as its name suggests the break down of glucose to form pyruvate and eventually acetyl CoA.Glycolysis in contrast is considered cata-bolic (greek for downwardthrow)An easy way I remember the difference is:catabolism = cutting things upanabolism = annealing things togethernote - When one thinks about where the precursors come from we may consider gluconeogenesis to have a catabolic andanabolic portion. The catabolic process involves the sum of reactions used to generate the precursor molecules (e.g. - breakdown of proteins into amino acids, breakdown of fats into monoacylglycerides and eventually dihydroxyacetone phosphate)
How are the pathways of glycloysis and gluconeogenesis two sides of the same coin?
Glyoclysis (sugar break down) is a catabolic pathway of glucose where it is destined to provide energy or converted to other substance like glycogen or lipids. Gluconeogenesis on the other hand, is an anabolic process where glucose is produced from its non carbohydrate sources such as glucogenic amino acids, pyruvate,lactate,glycerol. The basis for both is "Glucose" (degradation or synthesis)
Is protein synthesis an anabolic reaction?
it is anabolic
What is the process called when making glucose from non carbohydrate substances within the liver?
gluconeogenesis
What are the precursors to produce gluconeogenesis?
The precursors for gluconeogenesis include lactate, glycerol, and glucogenic amino acids. These substrates can be converted into pyruvate, which then enters the gluconeogenesis pathway to produce glucose.
What promotes gluconeogenesis?
Cortisol
Is starch catabolic or anabolic?
anabolic
How fructose-1-phosphate inhibit gluconeogenesis?
The fructose-1-phosphate inhibits gluconeogenesis through the enzyme aldolase.
