In Griffith's Experiments, When Heat-Killed S Strain Pneumococci Were Injected

question 170

Multiple Choice

In Griffith's experiments, when heat-killed S strain pneumococci were injected into a mouse along with live R strain pneumococci,

• A) DNA from the live R cells was taken up by the heat-killed S cells, converting the latter to R cells and killing the mouse.
• B) DNA from the heat-killed S cells was taken up by the live R cells, converting the latter to S cells and killing the mouse.
• C) proteins released from the heat-killed S cells killed the mouse.
• D) RNA from the heat-killed S cells was translated into proteins that killed the mouse.
• E) there was no result.

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Definitions:

Coronary Artery Disease

A condition caused by the buildup of plaque in the arteries that supply blood to the heart (coronary arteries), leading to reduced blood flow and heart function.

Embolism

The presence of an obstruction in a blood vessel.

Serum Globulin

Proteins in blood serum that function in immune response and include antibodies, playing a vital role in infection resistance.

Blood Plasma

The liquid component of blood in which cells are suspended, consisting mainly of water and proteins, and serving as the medium for carrying blood cells and nutrients throughout the body.