One Similarity in the Spectra of T Dwarf Stars and Giant

question 9

Multiple Choice

One similarity in the spectra of T dwarf stars and giant planets in our solar system is that their spectra show:

• A) lots of free oxygen
• B) lines of ionized magnesium and iron
• C) indications of methane
• D) nothing that shows that hydrogen was ever present in them
• E) temperatures at which human beings could survive unprotected

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Definitions:

Translation

The process by which the sequence of bases in mRNA is used to direct the sequential addition of amino acids, building polypeptide chains in protein synthesis.

Initiated

Refers to the beginning or activation of a process, such as the start of a chemical reaction or the initiation of protein synthesis.

Aminoacyl-tRNA

A complex of transfer RNA (tRNA) and an amino acid, essential for the translation phase of protein synthesis in cells.

GTP

Guanosine triphosphate, a nucleotide used by cells as a source of energy and as a substrate in protein synthesis processes.