What Does DNA Sequencing Suggest About the Relationship Between the Nuclear

question 14

Multiple Choice

What does DNA sequencing suggest about the relationship between the nuclear and organellar genomes?

• A)The same subset of mitochondrial genes has moved to the nuclear genome in all species.
• B)Mitochondrial genes that are found in the nuclear genome do not have introns, suggesting that movement occurred via an RNA intermediate.
• C)The mitochondrial and nuclear genomes are entirely independent of each other.
• D)Some cells have two types of mitochondria that have different genome sequences.
• E)Some proteins found in mitochondria are imported from the cytoplasm.

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Definitions:

Radiograph

An image produced on a sensitive plate or film by X-rays, gamma rays, or similar radiation, commonly called an X-ray.

CT Scan

A diagnostic imaging technique that uses computer-processed combinations of many X-ray measurements taken from different angles to produce cross-sectional images of specific areas of a scanned object.

MRI

Magnetic Resonance Imaging, a medical imaging technique used to visualize internal structures of the body in detail.

Systemic Anatomy

A branch of anatomy that studies the body by systems, such as the respiratory or circulatory system, viewing the body as a collection of interconnected systems.