Question

1. eukaryotic cells tend to do significant processing of the mrna afterwards and certain areas of the rna are actually ____________. __________ are rna portions that are removed. the portions that remain are called ____________ and will go on to translation.
2. many times, whether a gene is expressed or not is often something that can be ________________ or regulated.
3. prokaryotic cells have regulation mechanisms that impact ____________. which eukaryotic cells can have it regulated during ____________ points.
4. cancer cells can have genes ______________ that should not be.

Explanation:

• For question 12: In eukaryotic mRNA processing, splicing occurs. Introns are the non - coding RNA portions that are removed, and exons are the coding portions that remain for translation.
• For question 13: Gene expression can be controlled (regulated).
• For question 14: Prokaryotic cells mainly regulate transcription. Eukaryotic cells can regulate gene expression at multiple (different) points such as transcription, post - transcription, translation, and post - translation.
• For question 15: Cancer cells often have genes expressed inappropriately (in a wrong way).

Answer:

1. spliced; Introns; exons
2. controlled
3. transcription; multiple (or different)
4. expressed inappropriately