BIOCHEMISTRY 2 TERM ACCESS
9th Edition
ISBN: 9781319402877
Author: BERG
Publisher: MAC HIGHER
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Chapter 11, Problem 20P
Interpretation Introduction
Interpretation:
The reason for sucrose isreducing sugar or not should be determined.
Concept introduction:
Carbohydrates are a large group of organic compounds that are present in foods, living tissues. These include sugars, cellulose, and starch. These are comprised of hydrogen and oxygen in a similar ratio as in water (2:1). They are usually broken down to release the energy in the animal body. These are of three types: monosaccharides, disaccharides, and polysaccharides.
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Chapter 11 Solutions
BIOCHEMISTRY 2 TERM ACCESS
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- Give examples of balanced redox reactions that match the following:-Catabolic-Anabolic-Oxidative-Reductivearrow_forwardIf there are 20uM of a GLUT2 transporter on the surface of a cell, each able to move 8 per second, and 50mM glucose outside of the cell, what is the flux into the cell in mM/sec?arrow_forwardA transporter is responsible for antiporting calcium and glucose. The transporter brings glucose into the cell and sends calcium out of the cell. If blood [calcium] = 2.55mM and intracellular [calcium] = 7uM, blood [glucose] = 5.2mM, and intracellular [glucose] = 40uM, what is the free energy of transport? Assume a membrane potential of 62mV (negative inside).arrow_forward
- An ATP-coupled transporter is used to import 1 phosphate from the extracellular environment. Intracellular phosphate exists at 65mM, while it is 2mM outside.Assume a free energy change of ATP hydrolysis of -42.7 kJ/mol. What is the net free energy change of the coupled reaction? Assume a membrane potential of 70mV.arrow_forwardAnother transporter brings 3 chloride ions into the cell. Outside, chloride has a concentration of 107mM, and 4mM inside the cell. Assuming a membrane potential of 62mV (negative inside), what is the free energy of transport of these ions?arrow_forwardFor the Oxaloacetate -> Malate reaction, assume the normal ratio of NAD/NADH, what is the maximum ratio of Malate/Oxaloacetate that will allow reaction progress?arrow_forward
- A particular particle is trying to cross a membrane by simple diffusion from a high concentration of 20mM to a low concentration of 20uM. If a membrane is 15uM in width, and the diffusion coefficient of the particle is 5 uM/sec, what is the influx in uM/sec?arrow_forwardMechanisms: 1. Give a full arrow-pushing mechanism for the hydrolysis of the gamma phosphate of ATP by an ATPase. 2. Give a full arrow pushing mechanism of the spontaneous redox reaction between NAD+/NADH and oxaloacetate/malate.arrow_forwardDefine the difference between primary and secondary active transport. Is one preferable to another?arrow_forward
- Which B vitamin is responsible for generating the following:- FAD/FMN-NAD/NADH/NADP/NADPH-Coenzyme Aarrow_forwardWhat is the free energy change of an NADH mediated reduction of acetaldehyde to ethanol if blood ethanol is 0.2% by volume, and [Acetaldehyde] = 9uM. Assume the ratio of NAD/NADH is the same as discussed in class.arrow_forwardWhat is the role of each redox cofactor in the cell? Be specific about subcellular localization, etcarrow_forward
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