The Membrane Binding Domain for All Three Surface Antigens from Hepatitis

question 3

Multiple Choice

The membrane binding domain for all three surface antigens from hepatitis B virus is located at which of the following locations?

• A) It is in the common N terminal domain, which is the large surface protein region.
• B) It is in the common C terminal domain, which is the small surface protein domain.
• C) The surface antigens have a myristate attached to the large protein domain.
• D) The transmembrane alpha helices are found in the middle antigen region of the protein.
• E) It is located in a beta-barrel structure found in the large surface antigen.

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Definitions:

Closed-head Injuries

A type of traumatic brain injury where the skull remains intact but the brain is damaged due to a blow to the head or rapid acceleration/deceleration.

Temporal Lobes

Portions of the brain located beneath the temples, responsible for processing hearing, memory, and speech, among other functions.

Frontal Lobes

The part of the brain located at the front of each cerebral hemisphere, responsible for voluntary movement, language, planning, and judgment.

Tissue Plasminogen Activator (t-PA)

An enzyme that helps dissolve blood clots by converting plasminogen to plasmin, often used in the treatment of stroke and myocardial infarction.