WHAT IS LIFE? ACHIEVE 1 TERM ACCESS CODE
WHAT IS LIFE? ACHIEVE 1 TERM ACCESS CODE
5th Edition
ISBN: 9781319516116
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 22, Problem 8MC
Summary Introduction

Introduction:

CO has the same binding site on hemoglobin, as oxygen.

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Which of the following situations occurs if a person's blood becomes more alkaline?   A. Hemoglobin molecules retain less oxygen per heme group under alkaline conditions than they do at neutral pH or under acidic conditions.   B. Hemoglobin molecules give up oxygen more readily under alkaline conditions than they do under neutral pH or under acidic conditions.   C. Hemoglobin molecules change shape and begin to lose oxygen molecules.   D. Hemoglobin molecules retain oxygen more readily under alkaline conditions than they do at neutral pH or under acidic conditions.   E. There is no change in hemoglobin's oxygen-binding affinity under alkaline conditions when compared to blood at neutral pH or under acidic conditions.
Which of the following is NOT a way that carbon dioxide exits the body? *     A. carbon dioxide travels down the concentration gradient and is able to diffuse from the tissues directly out of the body through its pores.   B. carbon dioxide dissolves directly into the blood plasma to be carried to the lungs where it will be exhaled.   C. Carbon dioxide binds with hemoglobin as red blood cell pass through tissues and is released as the blood cells reached the lungs.   D. carbon dioxide converts into bicarbonate ions in the blood as it diffuses from the tissues and converts back to carbon dioxide as it reaches the lungs to be exhaled   PLS ANSWWER ASP THANK YOUU SO MUCH
Which of the following statements is INCORRECT about how the components of hemoglobin are recycled? a. Iron ions are either stored in a phagocytic cell or circulate in the blood, bound to transferrin (a plasma protein). b. Each heme is stripped of its iron and converted to bilirubin, then excreted in bile. c. The alpha and beta chains are released into the bloodstream for use by other cells. d. Hemoglobin can be recycled only if phagocytized by macrophages.
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