Textbook Question
Which of the following plasma proteins is responsible for osmotic pressure?
a. γ-Globulins
b. Albumin
c. α-Globulins
d. Clotting proteins
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17. The Blood
Introduction To Blood
Problem 4c
Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Hemoglobin forms oxyhemoglobin when it binds to oxygen.
Verified step by step guidance1
Step 1: Understand the role of hemoglobin in the body. Hemoglobin is a protein found in red blood cells that is responsible for transporting oxygen from the lungs to tissues and carbon dioxide from tissues back to the lungs.
Step 2: Learn about oxyhemoglobin. When hemoglobin binds to oxygen molecules in the lungs, it forms a compound called oxyhemoglobin. This process is essential for oxygen transport in the bloodstream.
Step 3: Evaluate the statement provided. The statement 'Hemoglobin forms oxyhemoglobin when it binds to oxygen' is true based on the physiological function of hemoglobin.
Step 4: If the statement were false, you would need to correct it by explaining that hemoglobin does indeed form oxyhemoglobin when it binds to oxygen, as this is a key step in oxygen transport.
Step 5: Confirm your understanding by reviewing the oxygen-hemoglobin dissociation curve, which illustrates how hemoglobin's affinity for oxygen changes under different conditions, such as pH and temperature.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Hemoglobin
Hemoglobin is a protein found in red blood cells responsible for transporting oxygen from the lungs to the body's tissues and returning carbon dioxide from the tissues back to the lungs. It consists of four subunits, each containing an iron atom that can bind to oxygen molecules, allowing for efficient oxygen transport.
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Oxyhemoglobin
Oxyhemoglobin is the form of hemoglobin that is bound to oxygen. When hemoglobin in red blood cells binds to oxygen in the lungs, it forms oxyhemoglobin, which is then transported through the bloodstream to tissues where oxygen is released for cellular respiration.
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Binding Process
The binding process of oxygen to hemoglobin is a reversible reaction that occurs in the lungs and tissues. This process is influenced by factors such as pH, temperature, and the concentration of carbon dioxide, which can affect hemoglobin's affinity for oxygen, ensuring that oxygen is released where it is most needed.
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