BS 161 EXAM 1 LECTURE 6 TRANSLATION AND MUTATIONS QUESTIONS AND CORRECT ANSWERS

Compare and contrast which cellular compartment transcription and translation occur
in bacteria versus eukaryotes and describe how these differences impact these
processes


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Prokaryotes - both in cytoplasm
Eukaryotes - transcription occurs in nucleus, translation occurs in
cytoplasm




Describe the structure and functions of ribosomes.


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, ribsomes facilitate the coupling of tRNA anti-codons with mRNA codons.
ribosomes have three binding sites; P, A, and E. A is where the tRNA enters
the ribosome, P is where the anticodon is attached to the next tRNA
molecule, and E is where the used tRNA molecule leaves.




Which strand is the template strand?


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The one that goes in the 3'-5' direction




Define "codon" and describe the relationship between the linear sequence of codons
on DNA and mRNA and the linear sequence of amino acids in a polypeptide.


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mRNA base triplet. The linear sequence of the codon on the mRNA strand
will code for some amino acid and thus a protein will be created.




5'-AUGAACGAU-3'4
What are the amino acids translated from this segment ofRNA?
A.MQL
B.MKH
C.MED
D.MND
E.MLL


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