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glycogen
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∙ 10y agoya
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Does insulin mobilize liver glycogen to yield glucose?
No, insulin stimulates the liver to produce glycogen from glucose. Glucagon mobilizes liver glycogen to yield glucose.
What hormone causes liver cells to release glucose?
The hormone glucagon stimulates the liver to release glucose into the blood when glucose levels are low.
What stimulates the liver to break down glycogen into glucose?
Glucagon is a hormone produced by the pancreas that stimulates the liver to break down glycogen into glucose. By doing so, the endocrine system increases the blood sugar level.
Name one hormone and state its function?
* Insulin - released by pancreas - encourages liver and muscle cells to absorb glucose from the blood; stimulates the conversion of glucose ----> glycogen in liver/muscle cells.
Give an example of how homeostasis is maintained?
An example of homeostasis is regulating blood glucose concentration. The body does this as follows: If there is enough glucose in the blood, the hormone insulin (from the pancreas) stimulates the liver to store the extra (not needed at the time) glucose as glycogen. If the blood sugar gets low, another hormone stimulates the liver to release the glucose back into the blood. If the storage in the liver is full, glucose is converted into fat in special cells around the body.
The process of allows the liver to produce glucose form amino acids when there is adequate glucose in the diet?
gluconeogenesis
What type of fat stimulates the liver to produce more cholesterol which can lead to the depositing of cholesterol in the blood vessels?
Triglyceride
The liver can supply the skeletal muscles with energy in the form of free glucose but the skeletal muscles cannot supply the liver with energy in the form of free glucose?
No. Unlike skeletal muscles, the liver contains an enzyme known as glucose 6-phosphatase that can remove the phosphate groups and produce free glucose.
What stimulates glucose?
stored as glycogons.
What effect does insulin have on sugar?
Insulin allows glucose(sugar) to enter the body's cells. Insulin also stimulates the liver to convert glucose to glycogen and store it for later use. The end effect is blood sugar is decreased.
Which organ stimulates the production of glycogen?
the liver
Is glucagon on positive feedback?
No Glucagon is a hormone produced by the alpha cells in the pancreatic islets of Langerhans that stimulates gluconeogenesis in the liver and stimulates the release of FFA (free fatty acids) from TG (triglycerides) to use it as a fuel, instead of glucose, in the other two process of cellular respiration (Krebs Cycle and electron transport chain) to produce energy, by doing so, it conserves and produce glucose at the same time; therefore raising the blood sugar level when it is low. It shows a negative feedback because the response negates the stimulus to maintain homeostasis.
