Which Form of Chromosomal DNA Stains Darkly and Is Largely

question 7

Multiple Choice

Which form of chromosomal DNA stains darkly and is largely composed of unexpressed,repetitive DNA?

• A) Euchromatin
• B) 5' UTRs
• C) Heterochromatin
• D) Nucleosomes
• E) Introns

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Definitions:

Strontonium

A chemical element with the symbol Sr, known for its use in fireworks and as a component in certain alloys.

Oxide Ion

An ion consisting of oxygen and carrying a negative two charge, represented as O^2-.

Helium Ion

A positively charged helium atom, often resulting from the removal of one electron from the neutral atom.

Bromide Ion

The bromide ion is a negatively charged ion (Br-) that is formed when a bromine atom gains an electron.