Which of the Following Statements About Hemoglobin Is True

question 70

Multiple Choice

Which of the following statements about hemoglobin is true?

• A)Hemoglobin is an enzyme involved in the process of cellular respiration.
• B)Hemoglobin transports oxygen from cells that are undergoing cellular respiration to red blood cells.
• C)Hemoglobin binds to oxygen and releases it near cells that are performing cellular respiration.
• D)Hemoglobin makes the blood more acidic, enabling it to absorb more oxygen.

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Definitions:

Cytotoxic T Cells

A type of immune cell that kills cancer cells, cells that are infected (particularly with viruses), or cells that are damaged in other ways.

IgA

Immunoglobulin A, an antibody variety, is pivotal in the immune activity of mucosal linings.

MHC Complexes

A family of molecules displayed on cell surfaces that help the immune system recognize foreign substances, including Class I and Class II MHC molecules.

Donor Organ

A healthy organ removed from one person's body (the donor) for the purpose of transplanting it into another person (the recipient) who needs it.