Which Sigma Factor, Encoded by the RpoH Gene, Is Active

question 43

Multiple Choice

Which sigma factor, encoded by the rpoH gene, is active at high temperatures?

• A)σ⁷⁰
• B)σ³²
• C)σ⁴⁵
• D)σ³⁷
• E)σ⁵⁰

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Definitions:

Blood Transfusion

The process of transferring blood or blood products from one person (the donor) into another person’s (the recipient's) bloodstream.

Air Embolus

A dangerous medical condition occurring when an air bubble enters a vein or artery and blocks it, which can lead to pain, serious injury, and even death if not treated immediately.

Trendelenburg

A position where the patient is laid flat on the back with the legs elevated higher than the head, often used in medical settings to improve venous return to the heart.

Packed Red Blood Cells

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