Gene Regulation in Eukaryotes Is More Complicated Than Bacterial Gene

question 19

Multiple Choice

Gene regulation in eukaryotes is more complicated than bacterial gene regulation.Which of the following describes a gene regulation event that occurs in eukaryotes but not in bacteria?

• A)In eukaryotes,mRNA does not need to be modified.
• B)In eukaryotes,histones must be added or removed to regulate gene expression.
• C)In eukaryotes,transcription and translation occur in the same cellular compartment.
• D)In eukaryotes,proteins are post- translationally modified,whereas bacterial proteins are never post- translationally modified.
• E)In eukaryotes,mRNA degrades quickly compared to bacterial mRNA that is more stable.

---

Definitions:

Neural Tube

The embryonic precursor to the central nervous system, which includes the brain and spinal cord, formed from the folding and closure of a flat sheet of cells in the early embryo.

Neural Groove

A fold in the neural plate during embryonic development, which deepens to form the neural tube, ultimately developing into the central nervous system.

Monozygotic Twins

Genetically identical twins that arise from the division of a single fertilized egg; commonly known as identical twins. Compare with dizygotic twins.

Identical Twins

Twins that result from the division of a single fertilized egg, sharing the same genetic material and typically exhibiting very similar physical and sometimes behavioral traits.