Io Has the Most Volcanic Activity in the Solar System

question 16

Multiple Choice

Io has the most volcanic activity in the Solar System because:

• A) it is continually being bombarded with material in Saturn's E ring
• B) it is one of the largest moons and its interior is heated by radioactive decays
• C) of gravitational friction caused by the moon Enceladus
• D) its interior is tidally heated as it orbits around Jupiter
• E) the ice on the surface creates a large pressure on the water below

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Definitions:

Eukaryotes

Organisms whose cells contain a nucleus and other membrane-bound organelles, including animals, plants, fungi, and protists.

Phosphorylation

The introduction of a phosphate group into an organic molecule. See kinases.

ATP

Adenosine triphosphate, a high-energy molecule used for energy storage and transfer within cells.

Electron Transport Chain

A series of complexes that transfer electrons from electron donors to electron acceptors via redox reactions, coupled with the transfer of protons across a membrane, generating ATP.