How does nucleosomes formation on genomic DNA affect the initiation and/or elongation phases of transcription

Can someone i have no idea of how to do this.

Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.

Asegment of dna that codes for rna and a protein is a