What Vitamin Is Essential for Normal Synthesis of Prothrombin Group

question 17

Multiple Choice

What vitamin is essential for normal synthesis of prothrombin group proteins, thus enabling them to bind Ca²⁺?

• A) Vitamin K
• B) Vitamin B₁₂
• C) Vitamin C
• D) Vitamin D

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Definitions:

Different Antibodies

Diverse proteins produced by the immune system to identify and neutralize foreign objects like bacteria and viruses.

Antigens

Substances that induce an immune response in the body, especially the production of antibodies, and can include toxins, bacteria, viruses, or other foreign substances.

Antibody

Protein produced in response to the presence of an antigen; each antibody combines with a specific antigen.

Antigen

A substance that stimulates an immune response, especially the production of antibodies, because it is recognized by the body as foreign.