Eukaryotic Cells RRNA

question 97

Multiple Choice

Eukaryotic cells rRNA

• A) is rapidly degraded by ribonucleases immediately after its involvement in protein synthesis.
• B) is synthesized primarily in nucleoli.
• C) is found in and 50S subunits of the ribosomes of the cytosol.
• D) is coded for by at least two separate genes coding for 17S and 2precursor molecules.
• E) has far fewer proteins associated with it than has prokaryotic rRNA.

---

Definitions:

Mutagen

A chemical or physical agent that interacts with DNA and causes a mutation.

LC50

The lethal concentration of a substance that causes death in 50% of a population of test organisms within a specified period, a common measure in toxicity tests.

Teratogens

Agents or factors that can cause the development of physical defects in an embryo or fetus during pregnancy.

Birth Defects

Birth defects are physical or biochemical abnormalities present at birth that can result in physical, mental, or emotional disability or dysfunction.