Biology

Biology, 07.07.2019 13:40, torresnoemi899

The hormone secreted from alpha cells of the pancreas in response to decreased blood glucose is

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Biology, 24.06.2019 17:30, wmaingrette1

One role of the pancreas is to regulate blood glucose levels. two types of cells in the pancreas, beta and alpha, serve as sensors to detect changes in blood glucose levels. high glucose levels cause beta cells to increase the amount of insulin given off by the pancreas. the insulin triggers body cells to take in glucose and the liver to store excess glucose as glycogen, decreasing the blood glucose level. on the other hand, low glucose blood levels trigger alpha cells to signal for glycogen to free up stored glucose from your liver, thus increasing the blood glucose level. what type of feedback mechanism is this, positive or negative? explain your answer based on the description of the mechanism. blood glucose levels change throughout the day. what causes these changes, and how do these feedback cycles work together to maintain a dynamic homeostasis. predict what will happen to this feedback mechanism and then to a person’s body if the beta cells are destroyed by an autoimmune disease.

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Biology, 28.06.2019 06:50, miya2579

After school, kai feels hungry and tired. he finds some sugar cookies in the cabinet and finishes the whole package. which statements best describe the role of glucagon and insulin in this scenario? a: glucagon was secreted by his pancreas before he ate the cookies because his blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high. b: insulin was secreted by his pancreas before he ate the cookies because his blood glucose was low. glucagon was secreted after he ate the cookies because his blood glucose was high. c: glucagon was secreted by his pancreas before he ate the cookies because his blood glucose was low. after he ate, insulin from the cookies increased his blood sugar levels. d: insulin was secreted by his pancreas before he ate the cookies because his blood glucose was low. after he ate, glucagon from the cookies increased his blood sugar levels.

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Biology, 21.09.2019 11:30, thegurl41

Which of the following is false? question 1 choices choice a., the actions of both the beta and alpha cells in the pancreas are stimulated or inhibited by the amount of glucose they detect in the blood as it passes through the pancreas. choice b., in the pancreas, the action of the beta cells opposes the action of the alpha cells in regulating blood glucose levels. choice c., high blood glucose levels can result from an overproduction of insulin. choice d., the pancreas releases glucagon into the blood in response to low blood sugar and releases insulin into the blood in response to high blood sugar.

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