Question

Which of the following best describes DNA packaging?

Options

• The process by which a very long DNA molecule is compactly organised inside the cell nucleus so that it fits within limited nuclear space and remains functional

• The replication of DNA molecules during cell division

• The translation of mRNA into protein sequences

• The transcription of genes into mRNA molecules

Answer 1

DNA packaging is the mechanism by which the extremely long DNA molecule is compacted to fit within the nucleus while maintaining its functional capacity. This process involves multiple hierarchical levels in eukaryotes, from nucleosomes to chromatin loops to metaphase chromosomes.