At the Molecular Level, Type a and Type B Blood

question 22

Multiple Choice

At the molecular level, type A and type B blood differ in which of the following characteristics?

• A) The antigens present on the surface of the red blood cells
• B) The type of sugar found in each type
• C) The antibodies that are generated against the other type of blood
• D) All of the answers are correct

---

Definitions:

Macrophages

Large white blood cells that are part of the immune system, engulfing and digesting cellular debris, foreign substances, and pathogens.

Vitamin K

A group of fat-soluble vitamins essential for the synthesis of proteins involved in blood coagulation and bone metabolism.

Prothrombin

A protein in blood plasma that is converted into active thrombin during coagulation.

Liver

A large, vital organ in vertebrates, involved in numerous metabolic processes including detoxification, protein synthesis, and the production of biochemicals necessary for digestion.