Which of the Following Statements Describes the Eukaryotic Chromosome

question 13

Multiple Choice

Which of the following statements describes the eukaryotic chromosome?

• A) It is composed of DNA alone.
• B) The nucleosome is its most basic functional subunit.
• C) The number of genes on each chromosome is different in different cell types of an organism.
• D) It consists of a single linear molecule of double-stranded DNA plus proteins.
• E) Active transcription occurs on heterochromatin but not euchromatin.

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Definitions:

Spinalis Thoracis

A muscle in the back that is part of the erector spinae muscle group, helping to extend and stabilize the thoracic spine.

Longissimus Thoracis

A muscle in the back that helps extend, rotate, and laterally flex the spine.

Serratus Posterior Superior

A muscle situated in the upper back that helps in elevating the ribs during inhalation.

Elevate the Ribs

The action of increasing the thoracic cavity volume to aid in inhalation, primarily performed by the intercostal muscles.