Which of These Sentences Correctly States the Significance of Galileo's

question 289

Multiple Choice

Which of these sentences correctly states the significance of Galileo's observation that Jupiter has satellites (moons) ?

• A) The observation showed that Jupiter must be 4 times the size of Earth (because Jupiter has four moons and Earth has one).
• B) The observation showed that bodies can orbit an object other than Earth.
• C) The observation was interesting but had no other particular significance.
• D) The observation showed that Jupiter must orbit the Sun, not Earth.

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Definitions:

Hydrogen Bonds

Weak bonds between molecules or within molecules that result from an electrostatic attraction between a hydrogen atom, which is covalently bonded to a more electronegative atom, and another electronegative atom.

DNA Polymerase

An enzyme that synthesizes DNA molecules from deoxyribonucleotides, the building blocks of DNA.

Watson-Crick Model

A structural model of DNA proposed by James Watson and Francis Crick, illustrating DNA as a double helix composed of two antiparallel strands.

Sugar-Phosphate

Refers to the backbone of DNA and RNA, composed of alternating sugar and phosphate groups that hold together the nucleotide bases.