Every Second,the Sun Converts About 600 Million Tons of Hydrogen

question 48

Multiple Choice

Every second,the Sun converts about 600 million tons of hydrogen into 596 million tons of helium.The remaining 4 million tons of mass is

• A)ejected into space in a solar wind.
• B)ejected into space by solar flares.
• C)converted to an amount of energy equal to 4 million tons times the speed of light squared.
• D)reabsorbed as molecular hydrogen.

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Definitions:

Initiator tRNA

A special type of transfer RNA that begins the process of translating a mRNA molecule to a protein by carrying the first amino acid of the protein.

mRNA

Messenger RNA, a single-stranded RNA molecule that conveys genetic information from DNA to the ribosome, where proteins are synthesized.

Genetic Code

Complete set of sixty-four mRNA codons.

mRNA Codons

Triplets of nucleotides in messenger RNA that specify the addition of a specific amino acid or the termination of translation.