Why Is a Dense Cloud More Likely to Produce an Elliptical

question 82

Multiple Choice

Why is a dense cloud more likely to produce an elliptical galaxy than a spiral galaxy?

• A)The higher density of gas has a stronger force of gravity,and therefore the cloud collapses more quickly.
• B)The force of gravity can pull the material into a more spherical shape.
• C)The more frequent collisions between particles randomize the particle orbits.
• D)The thickness of the dense cloud prevents a disk from forming.
• E)The higher gas density forms stars more efficiently,so all the gas is converted into stars before a disk can form.

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Definitions:

Channels

Structures or proteins that allow the passage of ions or molecules across cell membranes or through the cytoplasm.

ATP

A molecule known as ATP is essential for transferring energy inside cells to fuel metabolism.

Extracellular Matrix

A complex network of proteins and carbohydrates outside of cells that provides structural and biochemical support to surrounding cells.

Integrins

A family of cell adhesion molecules that are involved in the attachment of a cell to the extracellular matrix or other cells, playing critical roles in cell signaling and migration.