In the Experiments of Griffith, the Conversion of Nonlethal R-Strain

question 4

Multiple Choice

In the experiments of Griffith, the conversion of nonlethal R-strain bacteria to lethal S-strain bacteria

• A) was due to genetic mutation.
• B) was due to transformation.
• C) proved that proteins are the genetic material.
• D) could not be reproduced by other researchers.
• E) was similar to experiments performed by Watson and Crick.

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Definitions:

Fragile X Syndrome

A genetic disorder caused by a mutation on the X chromosome, leading to intellectual disabilities, behavioral issues, and physical anomalies.

Chromosomes

Thread-like structures located in the nucleus of animal and plant cells, made of protein and a single molecule of DNA, which carry genetic information.

Teratogens

Are substances or environmental exposures that can cause congenital abnormalities or birth defects when a pregnant woman is exposed to them.

Stem Cells

Undifferentiated cells capable of dividing and giving rise to one or more types of specialized cells.