How is growth hormone release stimulated and how is it inhibited?
How is growth hormone release stimulated and how is it inhibited?
Homework Answers
Growth hormone is released by the anterior pituitary gland , and is responsible for the overall growth of our body. Mnay factors regulate the release of growth hormone such as stress, nutrition , sleep , growth etc.
A hypothalamic hormone called as GHRH (Growth Hormone releasing hormone) stimulates the release of growth hormone.
Somatostatin released by hypothalamus has an inhibitory effect on the release of growth hormone.
Ghrelin released from stomach also stimulates the release of growth hormone.
1. Growth hormone is secreted from the pituitary, which is located at the base of the...
1. Growth hormone is secreted from the pituitary, which is located at the base of the brain, and acts through growth hormone receptors located in the liver. Is this an example of endocrine, paracrine, or autocrine signaling? How do you know? 2. Release of growth hormones is a tightly controlled process. Discuss how the cell regulates the release of secreted growth hormones
Lipolysis: A. is stimulated by insulin. B. is inhibited by glucagon. C. requires the action of...
Lipolysis: A. is stimulated by insulin. B. is inhibited by glucagon. C. requires the action of hormone-sensitive lipase. D. requires an apolipoprotein. E. results in an increase in blood concentrations of esterified fatty acids. Which one of the following compounds is a COMMON intermediate in the beta-oxidation of fatty acids, ketogenesis and cholesterogenesis? A. mevalonic acid B. acetoacetic acid C. acetoacetyl-CoA D. beta-hydroxy-beta-methylglutaryl-CoA E. malonyl-CoA If the fatty acid 9-18:1 undergoes two successive chain elongations, the resulting product is:...
Norepinephrine is a hormone that is released into the blood when the adrenal gland is stimulated...
Norepinephrine is a hormone that is released into the blood when the adrenal gland is stimulated by the sympathetic preganglionic neurons. What type of signaling effect does this represent? A. endocrine B. paracrine C. synaptic D. direct contact
29. The activity of the enzyme phosphofructokinase is a) stimulated by low energy charge b) inhibited...
29. The activity of the enzyme phosphofructokinase is a) stimulated by low energy charge b) inhibited by fructose 2,6-bisphosphate c stimulated by fructose 1.6-bisphosphate d) all of the above 30. NADH is produced at a) aldolase catalyzed reaction b) Glyceraldehyde-3-phosphate dehydrogenase catalyzed reaction c) pyruvate kinase catalyzed reaction d) hexokinase catalyzed reaction 31. The transfer of 3-phosphoglycerate to 2-phosphoglycerate is catalyzed by which enzyme? a) PGM b)PK c)G2PDH d)TPI e)PFK 32. The enzyme aldolase catalyzes which reaction in Glycolysis? a)...
If a drug was administered to a stimulated pre-synaptic neuron that blocked the release of its...
If a drug was administered to a stimulated pre-synaptic neuron that blocked the release of its inhibitory neurotransmitter, what would be the effect on the post-synaptic neuron? explain
Question 96 (1 point) Which hormone that is involved in salt and water balance is stimulated...
Question 96 (1 point) Which hormone that is involved in salt and water balance is stimulated by increased osmolarity? a) Aldosterone Ob) vasopressin c) prolactin d) cortisol e) Atrial natriuretic peptide (ANP)
7. Gonadot ropin-releasing hormone (GnRH) causes the release of what hormone A. Leuteinizing hormone (LH) B....
7. Gonadot ropin-releasing hormone (GnRH) causes the release of what hormone A. Leuteinizing hormone (LH) B. Thyroid-stimulating hormone (TSH) C. Somatostatin D. Growth hormone (GH) emzyme converts an inactive hormone called Anglotensinogen to A. ACE; Renin B. Renin; ACE 、C. Angiotensin I; ACE D. Renin; Angiotensin I 9. Which of the following is not a function of semen: A. Increases pH of reproductive tracts B. Causes secretion of testosterone C. Provides energy for sperm D. Activation and capacitation of sperm...
11. Regarding the reflex pathway for parathyroid hormone (PTH) release, place the following statements in the...
11. Regarding the reflex pathway for parathyroid hormone (PTH) release, place the following statements in the proper sequence. a. calcium levels increase b. parathyroid hormone is sent to effector organs C. parathyroid cells detects deviation d. parathyroid cell initiates a response e. kidneys reabsorb calcium f. calcium levels decrease 12. List two reasons (besides strong bones) why Ca" is important to regulate 13. A decrease in plasma glucose is detected by the pancreas, the pancreas formulates a response, alpha cells...
(2 pts) Place the following pathway in the correct order: Beta cells are stimulated to release...
(2 pts) Place the following pathway in the correct order: Beta cells are stimulated to release insulin Increased blood glucose is detected Blood glucose levels decrease Pancreatic islet alpha cells release glucagon Glucagon is detected by hepatocytes in the liver Stored glycogen is broken down to increase blood glucose levels
State the stimulus for each hormone’s release, the organ producing each hormone, the target of each...
State the stimulus for each hormone’s release, the organ producing each hormone, the target of each hormone, and the effect of the hormone ? -any endocrine hormone.
29. The activity of the enzyme phosphofructokinase is a) stimulated by low energy charge b) inhibited by fructose 2,6-bisphosphate c stimulated by fructose 1.6-bisphosphate d) all of the above 30. NADH is produced at a) aldolase catalyzed reaction b) Glyceraldehyde-3-phosphate dehydrogenase catalyzed reaction c) pyruvate kinase catalyzed reaction d) hexokinase catalyzed reaction 31. The transfer of 3-phosphoglycerate to 2-phosphoglycerate is catalyzed by which enzyme? a) PGM b)PK c)G2PDH d)TPI e)PFK 32. The enzyme aldolase catalyzes which reaction in Glycolysis? a)...
Question 96 (1 point) Which hormone that is involved in salt and water balance is stimulated by increased osmolarity? a) Aldosterone Ob) vasopressin c) prolactin d) cortisol e) Atrial natriuretic peptide (ANP)
7. Gonadot ropin-releasing hormone (GnRH) causes the release of what hormone A. Leuteinizing hormone (LH) B. Thyroid-stimulating hormone (TSH) C. Somatostatin D. Growth hormone (GH) emzyme converts an inactive hormone called Anglotensinogen to A. ACE; Renin B. Renin; ACE 、C. Angiotensin I; ACE D. Renin; Angiotensin I 9. Which of the following is not a function of semen: A. Increases pH of reproductive tracts B. Causes secretion of testosterone C. Provides energy for sperm D. Activation and capacitation of sperm...
11. Regarding the reflex pathway for parathyroid hormone (PTH) release, place the following statements in the proper sequence. a. calcium levels increase b. parathyroid hormone is sent to effector organs C. parathyroid cells detects deviation d. parathyroid cell initiates a response e. kidneys reabsorb calcium f. calcium levels decrease 12. List two reasons (besides strong bones) why Ca" is important to regulate 13. A decrease in plasma glucose is detected by the pancreas, the pancreas formulates a response, alpha cells...
(2 pts) Place the following pathway in the correct order: Beta cells are stimulated to release insulin Increased blood glucose is detected Blood glucose levels decrease Pancreatic islet alpha cells release glucagon Glucagon is detected by hepatocytes in the liver Stored glycogen is broken down to increase blood glucose levels
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