Massive Stars Explode When They

question 15

Multiple Choice

Massive stars explode when they

• A) accrete mass from their binary star companion.
• B) generate uranium in their cores.
• C) merge with another massive star.
• D) run out of useful nuclear fuel in their core, and the cores collapse.
• E) lose a lot of mass in a stellar wind.

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Definitions:

Plasmids

Small, circular DNA molecules found in bacteria and some yeasts that can replicate independently of the chromosomal DNA.

Genome

The complete set of DNA, including all of its genes, in an organism or cell.

Yeast

Yeast is a single-celled fungus used in baking and brewing, known for its ability to ferment sugars producing carbon dioxide and alcohol.

Roundworms

A phylum of worms characterized by their elongated, cylindrical bodies, many of which are parasitic.