Biology Practice Problems Translation Practice Problems Solution: During translation, when would translation begin b...

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Solution: During translation, when would translation begin based on the following mRNA sequence?UGACGGCAAAUGACGCCUGAUUAAAAAAAAAAAAAAAAAA. Since there is a UGA at the beginning of the sequence, this mRNA sequence would not be translated because UGA is a stop codon.B. The UGA at the beginning would be ignored and translocation would begin at AUG, because the ribosome looks for this codon as the start codon.C. This is  a trick question because this sequence is obviously DNA because of the uracil bases that are present.

Problem

During translation, when would translation begin based on the following mRNA sequence?

UGACGGCAAAUGACGCCUGAUUAAAAAAAAAAAAAAAAA

A. Since there is a UGA at the beginning of the sequence, this mRNA sequence would not be translated because UGA is a stop codon.

B. The UGA at the beginning would be ignored and translocation would begin at AUG, because the ribosome looks for this codon as the start codon.

C. This is  a trick question because this sequence is obviously DNA because of the uracil bases that are present.

Solution

The main components of the translation process are the codons. These are three-base sequences of the mRNA that code for amino acids or certain instructions, such as the start codon or the stop codon. 

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