l lanscription and Translation 1. Messenger RNA is made off the DNA by a process
ID: 282877 • Letter: L
Question
l lanscription and Translation 1. Messenger RNA is made off the DNA by a process called, A) translation, B) transcription,c translocation, D) Replication, E) none of the above. 2. Messenger RNA is used to make proteins by a process called, A) translation, B) transcription, C) translocation, D) Replication, E) none of the above 3. Amino acids are carried on, A) mRNA, B) tRNA, C) rRNA, D) SRNA, E) none of the above. 4. Which of the following is a start codon? A) UGA, B) AUG, C) UGG, D). ATC, E) all of the above are start codons. 5. Which of the following is a stop codon? A) UGA, B) AUG, C) AGG, D) ATC, E) all of the above are start codonsExplanation / Answer
1) The correct option is B. transcription.
Transcription is the process by which DNA is transcribed to messenger RNA, that carries the information that is required for the process protein synthesis.
2) The correct option is A. translation.
Translation is a process, which makes proteins from an mRNA template.
3) The correct option is B. tRNA.
tRNA is a type of RNA, which carries and transfers an amino acid to the polypeptide chain being collected during the process of translation.
4) The correct option is B. AUG.
The most common start codon is AUG. The start codon always codes for methionine in eukaryotes and a modified Met in prokaryotes.
5) The correct option is A. UGA.
Stop codons are sequences of DNA and RNA, which are essential to stop the process of translation by stringing amino acids together. There are three RNA stop codons: UAG, UAA and UGA.
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