Glucose transporters Guides d'étude, Notes de cours & Résumés

BIOL251 Quiz 1 Exam Questions with Answers Which of the following statements about insulin is true? A. Insulin acts as a transport protein, carrying glucose across the cell membrane. B. Insulin facilitates the movement of intracellular 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. E. Two of the above are true statements. The parathyroid glands are s...

A compound containing N-acetylneuraminic acid (sialic acid) is: A) cardiolipin. B) ganglioside GM2. C) phosphatidylcholine. D) platelet-activating factor. E) sphingomyelin. - Answer-b A convenient cloning vector with which to introduce foreign DNA into E. coli is a(n): A) E. coli chromosome. B) messenger RNA. C) plasmid. D) yeast "ARS" sequence. E) yeast transposable element. - Answer-c A hydropathy plot is used to: A) determine the water-solubility of a protein. B) deduce the qu...

Nutri Sci 631 - Exam 3 – Diabetes Questions and Answers What pancreatic cells product hormones? Which subtypes of cells produce which hormones? - ANS ️️ Islets of Langerhans - alpha cells = glucagon - beta cells = insulin - delta cells = somatostatin - F cell = pancreatic polypeptide How do insulin, glucagon, cortisol, GH, and epinephrine affect blood glucose respectively? - ANS ️️ insulin = uptake of blood glucose during fed state glucagon = release glucose (from glycogen) in...

MCDB 1150 Exam 3 cu boulder Questions & Answers 2023/2024 Membrane transport - ANSWER-• Passive diffusion through membrane • "diffusion" through pore/channel • Facilitated diffusion - carrier proteins • Active transport by transporters/pumps The ability of a molecule to diffuse through a pure lipid bilayer depends on its - ANSWER-SOLUBILITY in the hydrocarbon interior of the membrane small ions (K+, Na+, Cl-) - ANSWER-virtually IMPENETRABLE insoluble in hydrophobic...

BIOC 3560 Final Exam Questions and Answers Latest Updated 2023/2024 (Graded A+). In the voltage-gated sodium channel, a. helix S6 is the voltage sensor b. helix S4 is the voltage sensor c. helix S4 contains the inactivation gate d. one subunit is responsible for activation e. one subunit is responsible for selectivity 2. Which of the following best describes the effects of insulin signaling on glycogen synthase kinase 3 (GSK3) and glucose transporters in liver cells? a. inactivation of G...

Diabetic complications kidney failure, nontraumatic limb amputation, adult blindness, heart disease, stroke. (DKA) and (HHS) are two life-threatening complications with diabetes are complications Glucose Production and Release glucose found in carbohydrates, stores in the liver released in bloodstream, for constant source of energy are Insulin Release in Type I Diabetes high glucose in blood, stimulate beta cells- release insulin, Insulin stops the release of glucose, small amount stores in...

What makes a protein different from a carbohydrate or a fat? - ANSWER a nitrogen How many different amino acids are there? - ANSWER 20 Proteins make up many components of normal body function, such as enzymes, some hormones, acid-base regulators, transporters, antibodies for the immune system, and they can also serve as a source of energy when glucose is limiting. - ANSWER true How the body makes proteins is pre-determined by our genes. Transcription and translation are processes by whi...

Homeostasis 1. Which one of the following is an example of a homeostatically controlled variable? (A)Heart rate (B) Body temperature (C) Hypothalamus (D)Thermoreceptors (E) Autonomic nervous system Answer: B. Only choice A and B are variable, and the body doesn’t maintain heart rate homeostatically. Feedback System 2. Which of the following is an example of negative feedback? (A)Increasing blood glucose level in hyperglycemia (B) Decreasing blood glucose level in hypoglycemia (C)...

BIO 1A03 Test 2 Questions and Answers Already Passed one gene-one enzyme hypothesis each gene contains the information needed to make an enzyme What did George Beadle and Edward Tatum research? Relationship between genes and proteins using the Neurospora Crassa One gene-one enzyme hypothosis (Neuroposa Example) Neurospora can grow well on minimal medium (simple sugar, vitamins, inorganic salts), and therefore it must have enzymes produced by a certain gene that that transform these materials i...

What 4 major elements make up the human body? - - Oxygen 63% - Carbon 18% - Hydrogen 9% - Nitrogen 3% What is a nutrient? - a substance that provides nourishment essential for growth and the maintenance of life. How many elements is the body made of? - 27 of more than 100 Functions of proteins - enzymes, receptors, transporters, hormones How many different types of cells are there? - 200 all with the same dna but different functions and nutrient requirements What is the percent of wa...