Glycogen is the main storage form of glucose in animals. Why is glucose necessary as opposed to simply keeping a high concentration ofintracellular glucose ready for when the cell needs energy?O Free glucose is cytotoxicGlycogen has the highest energy capacity of any organic compoundTo maintain osmotic balanceO Glucose precipitates out of solution in cellular conditionsO None of the above iQuestion 26Suppose you incubated a sample of glycogen with debranching enzyme, transferase, orthophosphate and glycogen phosphorylase.What would be the approximate ratios of G1P to Glucose (G1P/Glucose)?O Not enough informationO 10O 10025

Osmolarity is the product of van't Hoff factor (i) and solute concentration. van't Hoff factor tells…

Answered: Glycogen is the main storage form of…

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter2: Cell Physiology

Section: Chapter Questions

Problem 2SQE

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Camels survive in the desert because they derive water from the large deposit of triglyceridesstored in their humps. How many net moles of water and ATP can be produced from the breakdown ofone mole of the triglyceride, tripalmitoylglycerol, to glycerol and CO2 ? [Don’t forget that ADP + Pi ATP + H2O
Which of the following homopolysaccharides produced by a plant cell contains only -1,4-glycosidicbonds between glucose monosaccharides (easily digested by most animal species)?A. amylopectin (produced by potato cells)B. amylose (produced by rice cells)C. glycogen (produced by liver cells)D. chitin (produced by fungal cells)E. cellulose (produced by corn cells)
In contrast to phospholipids, the transport of fatty acids across membranesis much more rapid (less than a second). Propose an explanation for this observation.
A 75 kg person doing light work requires about 3000 kcal of food energy perday, 40% of which is actually used by the body’s cells. (The other 60% is lostas heat and in waste products.) Before being used by the cells, effectively allof this energy is stored in ATP, which is then cleaved into ADP and PO3−2 , with the release of 12.5 kcal per mole of ATP.(a) How many moles of ATP are turned over per day in this fashion? Whatmass of ATP does this correspond to? (The molecular weight of ATP is507 g/mol.)(b) The body actually contains approximately 5 g ATP. Estimate the averagerecycle time for an ATP molecule. You see that it is much more efficientto reuse ADP rather than to synthesize it de novo (from scratch).
Fatty acid chains after subjected to degradative enzymes in the intestines are hydrolyzed (hydrolysis) into 2 Carbon acetic acid fragments (Each fragment becomes an acetyl Co-A molecule). What stage of cellular respiration will this product of lipolysis enter? How many ATP can one fragment produce in cellular respiration?
Which of the following fatty acids, if incorporated into a typical eukaryotic membrane phospholipid, would be the most likely to increase that membrane's fluidity? arachidonic acid with 20 carbons and two carbon-to-carbon double bonds stearic acid, with 18 carbons and no carbon-to-carbon double bonds None of the above arachidonic acid with 20 carbons and three carbon-to-carbon double bonds
Glucose is a carbohydrate central to energy metabolism. Glucose provides most of the energy to the brain and its levels are closely controlled in healthy individuals. Improper control of glucose levels is found in diabetes.Assume that the maximum number of ATPs is produced (38). At pH 7, and in the presence of excess Mg2+, how much of the energy in one mole of glucose is stored as ATP? kJ Assuming the maximum number of ATPs are produced at pH 7 and in the presence of Mg2+, 1159 kJ of energy are stored as ATP. What is the percent efficiency?
Glycerol generated from TG hydrolysis in adipocytes is converted by the liver into _________________________, whichserves as a substrate for the synthesis of glucose, amongother molecules
Provide an explanation for the intracellular separation offatty acid metabolic processes (i.e., fatty acid biosynthesisin cytoplasm and degradation in mitochondria andperoxisomes).
Which of the following metabolic processes can occur withouta net influx of energy from some other process?(A) ADP +~P i S ATP + H2O(B) C6H12O6 + 6 O2 S 6 CO2 + 6 H2O(C) 6 CO2 + 6 H2O S C6H12O6 + 6 O2(D) Amino acids S Protein
What's intermediate in the interconversion of glucose 1-phosphate and glucose 6-phosphate? free glucose glucose 1,6-bisphosphate glucose 2-phosphate α-1,6-glucoside a block of three glucosyl residues
Glucose is stored as glycogen (a polymer) in some eukaryote cells (such as liver cells or muscle cells). This cellular storage is performed A) by an enzyme that causes dehydration synthesis in a specialized organelle, B) by a carbohydrate in a liposome, C) by a dehydration enzyme and stored as fat in an adipose cell, D) exocytosis of the glycogen, E) as glucose stored in the nucleus by special genes in the DNA.

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