In Griffith's Experiments, What Happened When Heat- Killed S- Strain

question 31

Multiple Choice

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

• A) RNA from the heat- killed S- strain was translated into proteins that killed the mouse.
• B) Proteins released from the heat- killed S- strain killed the mouse.
• C) DNA from the live R- strain was taken up by the heat- killed S- strain, converting them to R- strain and killing the mouse.
• D) DNA from the heat- killed S- strain was taken up by the live R- strain, converting them to S- strain and killing the mouse.

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Definitions:

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing baby while removing waste.

Yolk

Nutritious material in many animal eggs.

Proteins

Large biomolecules consisting of one or more long chains of amino acid residues, vital for the structure, function, and regulation of the body's cells, tissues, and organs.

Lipids

A group of naturally occurring molecules that include fats, waxes, and certain vitamins, essential for energy storage and cell structure.