An Interaction Between a Large and a Small Elliptical Galaxy

question 67

Multiple Choice

An interaction between a large and a small elliptical galaxy that results in a large spiral and asmall elliptical galaxy takes:

• A)several thousand years.
• B)several hundred thousand years.
• C)several million years.
• D)several hundred million years.
• E)several billion years.

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Definitions:

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of DNA, carrying genetic information.

Cerebral Cortex

The outer layer of the cerebrum in the brain, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.

MRI Scans

A medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body.

Longitudinal Study

A study in which people (or animals) are followed and periodically reassessed over a period of time.