If the Initial Interstellar Cloud in Star Formation Has a Mass

question 70

Multiple Choice

If the initial interstellar cloud in star formation has a mass sufficient to form hundreds ofstars, how does a single star form from it?

• A)One star forms at its center and blows the rest of the matter back into space.
• B)The cloud fragments into smaller clouds and forms many stars at one time.
• C)One star forms and the rest of the matter goes into making planets, moons, and other objectsof a solar system.
• D)The cloud is disrupted by rotation so that it reduces its mass down to that of a typical star.
• E)A supernova blows the cloud up and dissipates the majority of the gas.

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Definitions:

Genes

Units of heredity made up of DNA that encode the instructions for the development, functioning, growth, and reproduction of all known organisms and many viruses.

Epigenetic Molecules

Molecules that can alter gene expression without changing the underlying DNA sequence, thus affecting how cells read genes.

Proteins

Large, complex molecules essential to the structure, function, and regulation of the body's cells, tissues, and organs.

Genomes

The complete set of genetic material present in an organism or a cell, including all of its genes.