Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
6th Edition
ISBN: 9780134555430
Author: Colleen Belk, Virginia Borden Maier
Publisher: PEARSON
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Chapter 20, Problem 4LTB
Summary Introduction

Introduction:

The heart is the muscular organ which is approximately the size of one’s fist. It is located behind and slightly left of the breastbone. The function of the heart is to pump the blood by arteries and veins. The whole network of arteries, veins, and heart is termed as cardiovascular system.

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Which of the following statements is true about hemoglobin? a.hemoglobin b. Each hemoglobin molecule is made up of one alpha and one beta chain polypeptide.  C. All that is needed to bind oxygen is a molecule of heme.  D. Each hemoglobin molecule can carry four oxygen molecules.
Hemoglobin will bind oxygen and release CO2 in places where there is a higher concentration of O2, lower concentration of CO2, lower temperature and lower acidity (as it is in lungs) and will do the reverse – release oxygen and bind CO2 - in places where there is a lower concentration of O2, higher concentration of CO2, higher temperature and higher acidity (as it is in working muscles).   True False While white blood cells never leave the circulation, red blood cells regularly leave it and travel by lymphatic system or find home in other tissues, e.g., lymph nodes, spleen, etc.   True False Blood clotting (coagulation) is a complex process involving many factors and it exhibits positive feedback loops: many of the factors also stimulate production of their own precursors. B lymphocytes mature in the thymus while T lymphocytes mature in the bone marrow   True False Antibodies are molecules on the surfaces of foreign…
The following statement describes which level of structure of the hemoglobin molecule? "Each chain is stabilized by electrostatic interactions between -COO- and -NH3+ of amino acid side chains." Primary Second Tert Quat
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