Lehninger Principles of Biochemistry
Lehninger Principles of Biochemistry
7th Edition
ISBN: 9781464126116
Author: David L. Nelson, Michael M. Cox
Publisher: W. H. Freeman
Question
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Chapter 5, Problem 3P

(a)

Summary Introduction

To determine: The effects of a drop in the pH of blood plasma from 7.4 to 7.2.

Introduction:

Hemoglobin is the blood protein that carries the oxygen molecule. It is composed of four heme groups which surround the globin group. Heme groups possess iron and provides a red color to the blood cells. Hemoglobin is present in the tetrameric form that consist 2 dimers (α,ß dimers) that binds to the oxygen molecule. The affinity of oxygen to bind with hemoglobin is isolated from the red blood cells that displays a sigmoidal curve.

(b)

Summary Introduction

To determine: The effects of a decrease in the partial pressure of CO2 in the lungs from 6 kPa to 2 kPa.

Introduction:

Hemoglobin is the blood protein that carries the oxygen molecule. It is composed of four heme groups which surround the globin group. Heme groups possess iron and provides a red color to the blood cells. Hemoglobin is present in the tetrameric form that consist 2 dimers (α,ß-dimers) that binds to the oxygen molecule. The affinity of oxygen to bind with hemoglobin is isolated from the red blood cells that displays a sigmoidal curve.

(c)

Summary Introduction

To determine: The effect of an increase in the BPG level, from 5 mm to 8 mm.

Introduction:

Hemoglobin is the blood protein that carries the oxygen molecule. It is composed of four heme groups which surround the globin group. Heme groups possess iron and provides a red color to the blood cells. Hemoglobin is present in the tetrameric form that consist 2 dimers (α,ß dimers) that binds to the oxygen molecule. The affinity of oxygen to bind with hemoglobin is isolated from the red blood cells that displays a sigmoidal curve.

(d)

Summary Introduction

To determine: The effect of an increase in the CO from 1.0 parts per million (ppm) in a normal indoor atmosphere to 30 ppm in a home that has a malfunctioning or leaking furnace.

Introduction:

Hemoglobin is the blood protein that carries the oxygen molecule. It is composed of four heme groups which surround the globin group. Heme groups possess iron and provides a red color to the blood cells. Hemoglobin is present in the tetrameric form that consist 2 dimers (α,ß dimers) that binds to the oxygen molecule. The affinity of oxygen to bind with hemoglobin is isolated from the red blood cells that displays a sigmoidal curve.

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At a pH equal to the isoelectric point (pl) of alanine, the net charge of alanine is zero. Two structures can be drawn that have a net charge of zero, but the predominant form of alanine at its pl is zwitterionic. CH3 H,N CH3 ** H¸N-C H Zwitterionic H Uncharged OH Select statements that explain why alanine is predominantly zwitterionic at its pl. pk of alanine's amino group is more than its pl. pk of alanine's carboxyl group is more than its pl. PK of alanine's carboxyl group is less than its pl. pk of alanine's amino group is less than its pl. Correct Answer What fraction of alanine is in the completely uncharged form at its pl? 1 in 2.2 × 107 1 in 1.6 × 10² 1 in 4680 1 in 9460
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