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Gluconeogenesis is the biosynthesis of new glucose, (i.e. not glucose from glycogen). The production of glucose from other metabolites is necessary for use as a fuel source by the brain, testes, erythrocytes and kidney medulla since glucose is the sole energy source for these organs. During starvation, however, the brain can derive energy from ketone bodies which are converted to acetyl-CoA.
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Is gluconeogenisis the production of glucose from non-carbohydrate sources?
Yes, it is.
Which is NOT a pathway in the oxidation of glucose?
gluconeogenisis. what is part of it: Glycolysis, Krebs cycle, and the ETC and oxidative phosphorylation.
When the liver makes glucose from non-carbohydrate substances such as fat or proteins the process is termed what?
gluconeogenesis
What is the medical term meaning sugar?
Glucosuria and glycosuria are terms for sugar in the urine. Gluco- and Glyco- = sugar -uria= pertaining to urine.
How pancreas function in regulating the blood glucose level?
The pancreas regulates blood sugar by secreting the hormones glucagon and insulin. In a nutshell, glucagon is secreted in response to low blood sugar and causes the release of stored glucose from glycogen and stimulates the formation of glucose from other substrates via gluconeogenisis. Insulin reduces elevated blood sugar by binding to GLUT receptors on the cells resulting in facilitated transport/uptake by the cells thus lowering the blood glucose.
What are the organs of the urinary system and their functions?
The main functions of the urinary system are:-filters blood plasma (eliminates waste) (returns useful substances to blood)-Regulates blood volume and pressure-Secretes rennin to control blood pressure-Secretes erythropoetin for RBC production-Functions with lungs to control PCO2 and thus acid-base balance-Role in synthesizing Vitamin D (calcitriol) to control calcium levels-Detoxifies free radicals and drugs-Gluconeogenisis, synthesize glucose from proteins in times of starvationThe urinary system is made of two kidneys (left and right), ureters and bladder. The two kidneys contain a medulla and a cortex. It has, inside it, glomeruli which branches from the renal artery. Glomerulus is a capillary which is repeatedly coiled making a vessel know. Each is surrounded by a Bowman's capsule, where ultrafiltration occurs. Due to the pressure, the water, salts etc goes into the bowman's capsule from the glomerulus. Then the needed substances such as salts are reabsorbed back through the renal vein. The other contents collect in the collecting duct and passes into the ureter. Each ureter leads to a muscular bladder, which releases urine only when the pyloric spinhcter relaxes.1. Excretion2. Maintain acid-base balance3. Secrete waste products4. Eliminate urine from bladder 1. Excretion2. Maintain acid-base balance3. Secrete waste products4. Eliminate urine from bladderKidney:Purifies water and filters urine.Ureter:Passage way to the bladder.Bladder:Stores urine.Sphincter:It is made of skeletal muscle and prevents overflow of urine.Urethra:Expels Urine out of the body.
