I. Carrier of electrons and protons. II. Used in the production of the precursors to steroid hormones. III. Used for the production of ATP within the mitochondria A. I only B. I and III only C. II and III only D. I, II, and III
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Biochemistry topic question:
Please help. Thank you.
Which of the following in the attached image is/are function(s) of NADH in the cell?
Step by step
Solved in 2 steps
- The hormone activating the glycogen synthase activity is a. Glucagon b. ACTH c. Epinephrine d. Insulin1. Insulin.....a. Carries glucose into the muscle cellb. signals the muscle cell to take up glucose c. signals the synthesis of glucose in the liver d. carries lactate from the muscle to the liver 2.In the fasting, state, the Liver helps maintain a normal level of blood glucose by: a. Making ketones and storing them for later.b. stopping glycolysis and using alternative fuels for energyc. speeding up glycolysis because it needs energy to make glucose d. Beginning glycogenesis to build up glucose storageThe hormone insulin enhances the transport of glucose (sugar) from the blood into most body cells. Its secretion is controlled by a negative-feedback system between the concentration of glucose in the blood and the insulin-secreting cells. Therefore, which of the following statements is correct? A decrease in blood glucose concentration stimulates insulin secretion, which in turn further towers blood glucose concentration. An increase in blood glucose concentration stimulates insulin secretion, which in turn lowers blood glucose concentration. A decrease in blood glucose concentration stimulates insulin secretion, which in turn increases blood glucose concentration. An increase in blood glucose concentration stimulates insulin secretion, which in turn further increases blood glucose concentration. None of the preceding is correct.
- 37. Which is not TRUE in the following statements? * a. Hormones affect various processes in the body as they regulate and balance the functioning of organs, tissues, and cells. b. Hormones greatly influence growth, appearance, emotions, and reproductive functions. c. Hormones play an essential role in the occurrence of disorders such as diabetes, thyroid disease, growth and/or sexual dysfunction. O d. Too much secretion of hormones does not affect homeostasis. 39. Which of the following statements best explains the Theory of Natural Selection? * a. Organs that are not used may disappear while organs that are constantly used may develop. b. In nature, the organisms with desirable characteristics may survive while those with weaker traits may not. O c. Organisms develop desirable structures to survive in a given environment. d. Acquired characteristics of parents can be passed on to offsprings. оо O OBrown adipose tissue... A. Has a rich blood supply and many mitochondria B. Is used for heat generation in bats, shrews and other small mammals C. Expresses the protein thermogenin, which "short-circuits" the proton gradient used to drive ATP synthase D. Is typically located between the shoulder blades E. All of the aboveWhich of the following hormone regulates BMR? A. Insulin B. Leptin C. Calcitonin D. Thyroid hormones
- What is considered as the principal enzyme for the regulation of glycogenesis?a. Glucose-6-phosphataseb. Glycogen phosporylasec. Glycogen Synthased. PhospoglucomutaseWhich of the following statements about insulin is true? a. Insulin acts as a transport protein, cany in g glucose across the cell membrane. b. Insulin facilitates the movement of inti acellular glucose transporters to the cell membrane. c. Insulin stimulates the breakdown of stored glycogen into glucose. d. Insulin stimulates the kidneys to reabsorb glucose into the bloodstream.Lipids are used fora. motion and defense.b. information storage.c. energy storage and for some hormones.d. enzymes and for some hormones.
- Insulin therapy has all of the following effects, except:A. Increases concentration of free fatty acids in blood plasma B. Stimulates glucose uptake by tissuesC. Inhibits lipolysisD. Activates protein synthesis50Which of the following alternative energy source(s) can replace glucose to provide energy for the brain? a. Cortisol b. Fatty acids c. Lactate d. Ketones