The Traditional Monolithic Collapse Theory for the Formation of the Milky

question 17

Multiple Choice

The traditional monolithic collapse theory for the formation of the Milky Way Galaxy suggests that our galaxy formed

• A) as material accreted around a massive black hole currently at the center of our galaxy.
• B) from a large cloud of material that formed stars and star clusters and slowly flattened to a disk.
• C) from material that had been ejected in the violent explosion of a dying galaxy.
• D) as a result of mergers between several smaller groups of gas,dust,and stars.
• E) as two massive galaxies collided.

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Definitions:

Phospholipid Bilayer

The fundamental structure of biological membranes, consisting of two layers of phospholipids that create a barrier around cells.

Glycolipids

Molecules consisting of a carbohydrate bonded to a lipid, play key roles in cell recognition and membrane structure.

Blood Type

A classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells.

Immune System

The complex network of cells, tissues, and organs that works together to defend the body against pathogens.