Which Object Has Aged the Most Since It Emitted the Light

question 64

Multiple Choice

Which object has aged the most since it emitted the light we see today?

• A)a star near the center of the Milky Way
• B)Pluto
• C)a star in the Andromeda Galaxy
• D)the Sun

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Definitions:

mRNA

Messenger RNA, a type of RNA that conveys genetic information from DNA to the ribosome, where it specifies the amino acid sequence of the protein product.

Transcription

The process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA).

Codon

Three-base sequence in messenger RNA that during translation directs the addition of a particular amino acid into a protein or directs termination of the process.

DNA Molecule

The biological structure consisting of two long strands of nucleotides twisted into a double helix, carrying genetic information.