BIOLOGY
5th Edition
ISBN: 9781264104680
Author: BROOKER
Publisher: MCG
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Chapter 47, Problem 8TY
Summary Introduction
Introduction: The regulation of appetite is a collective process of centers located in the brain. The controlled regulation of appetite is very essential for normal functioning and development of the body.
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Chapter 47 Solutions
BIOLOGY
Ch. 47.2 - Prob. 1CSCh. 47.2 - Prob. 2CSCh. 47.3 - Can the relationship between body size and...Ch. 47.3 - What observation led to the experiments conducted...Ch. 47.3 - CoreSKILL How did the experimental linking of the...Ch. 47.3 - Prob. 3EQCh. 47.4 - Prob. 1CCCh. 47 - Prob. 1TYCh. 47 - Gluconeogenesis a. occurs when the liver...Ch. 47 - Prob. 3TY
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- Which of the following classes of compounds stimulates the release of insulin from pancreatic β-cells? a. Thiourylenes b. Biguanides c. Progestins d. Sulfonylureas e. α-Glucosides inhibitorsarrow_forwardAn infant with corneal clouding has dermatan sulfate and heparan sulfate in his urine. Decreased activity of which of the enzymes listed below would confirm the suspected diagnosis of Hurler syndrome? * A. α-Glucuronidase B. Glycosyltransferase C. α-L-Iduronidase D. Iduronate sulfatase E. None of the given optionsarrow_forwardWhat is the main triacylglycerol storage organ/tissue? a. Adipocytes b. Skeletal muscles c. Pancreas d. Hepatocytesarrow_forward
- Which of the following about eicosanoids is incorrect? A. Cyclooxygenase pathway produces prostaglandins from arachidonic acid. B. Lipoxygenases metabolize arachidonic acid to thromboxane. C. Lipoxygenase pathway produces leukotrienes. D. Phospholipase A2 catalyzes the liberation of arachidonic acid from phospholipidsarrow_forwardThe hormone activating the glycogen synthase activity is a. Glucagon b. ACTH c. Epinephrine d. Insulinarrow_forward1a) In a healthy mammal, which one of the following will lead indirectly to increased production of glycogen in liver cells? A. a reduction in insulin output B. a high glucose content in the diet C. an increase in thyroxine production D. a reduction in the amino acid concentration in the blood B) What effect would be caused by cutting the sympathetic nerve fibres to the heart? A. a decrease in the heartbeat rate B. a decrease in the length of the diastole phase C. a decrease in the length of the systole phase D. a decrease in the stroke volume c) If the nerve fibres within the septum are damaged, which phase of the cardiac cycle will be affected? A. ventricular diastole B. ventricular systole C. atrial systole D. atrial diastolarrow_forward
- When a person fasts for days or weeks the body must compensate by changing proteins (muscle) and fats (adipose) into glucose. What is the name of this homeostatic process and what hormone stimulates this process? A. glycogenolysis stimulated by insulin B. glucohydro-attenuation stimulated by adrenalin C. gluconeogenesis stimulated by cortisol D. carbo-redemtion stimulated by cortisol. arrow_forwardWhen there is no enough CTP that binds with aspartate transcarboxylase, the mechanism that takes place is; c. Positive feedback mechanism d. Negative feedback mechanism a. Homeostasis b. Glycolysisarrow_forwardAn increase in calcium concentration can be associated with an increase in stomach acidity. This process is similar to the processes involved in neurotransmitter and insulin release. How is calcium associated with increased stomach acid? a. Calcium binds to the alpha subunit of a G protein activating proton pumps already on the membrane. b. Calcium is pumped out of the cell by an ATPase and as a result this lowers the pH of the gut. c. Calcium influx into the cell allows vesicles containing proton pumps on their membranes to fuse with the cellular membrane. d. Calcium influx into the cell allows vesicles filled with protons to fuse with the cellular membrane. e. Calcium binds to acetylcholine receptors on Parietal cells and opens gated proton channels releasing protons from the cytoplasm to outside the cell.arrow_forward
- Which of the following statements concerning gluconeogenesis is NOT true? a. Gluconeogenesis is to make glucose from glycogen. b. Many of the reactions of gluconeogenesis are glycolytic reactions going in reverse. c. The process of gluconeogenesis consumes ATP. d. The process of gluconeogenesis is regulated by ATP. e. Gluconeogenesis maintains the blood glucose level long after all dietary glucose has been absorbed and oxidized.arrow_forwardWhich of the following glucose transporter (GLUT) is present in beta cells of the pancreas? Select one: a. GLUT1 b. GLUT2 C. GLUT4 d. GLUT3arrow_forwardWhich of the following is true about vitamin D3 (cholecalciferol)? A. It is a sterol. B. It is a hormone precursor. C. Humans enzymatically synthesize their own Vitamin D3. D. It is converted into a biologically active form by UV light from sunlight.arrow_forward
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