Concept explainers
To answer:
Antisense RNA used to terminate translation of TACAATCGCATTGAA sequence.
Introduction:
In translation, m-RNA is converted into amino acid sequences, resulting in protein synthesis. Three important components are involved in translation are m-RNA, t-RNA, and the ribosome. Protein synthesis occurs in the cytoplasm of the cell. The mRNA sequence encoded by the genetic material is translated into a specific protein. The t-RNA binds to free amino acids and transfer them to the ribosome and the amino acids are added to the growing chain of the protein sequence. The ribosome reads m-RNA and synthesizes protein based on codons present in the m-RNA sequence. The ribosome binds to the anticodon of particular tRNA according to m-RNA sequence and assembles amino acids corresponding to mRNA codons. Three
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MICROBIOLOGY W/DISEASES (SPIRAL) >CI<
- During initiation of translation, what protein is attached to the mRNA? Initiation factors Small ribosomal subunit Large ribosomal subunit Transcription factorarrow_forwardWhat types of proteins are known to be translated using an alternate start codon?arrow_forwardWhy is mRNA modified after initial transcription?arrow_forward
- Which DNA strand will serve as the template strand during the transcription of the RNA-coding sequence?arrow_forwardExcept during initiation of translation, transfer RNA molecules carrying amino acids initially bind to the ribosome at the ____ site.arrow_forwardHow do bacteria ensure the start codon of the mRNA is positioned properly during translation initiation?arrow_forward
- Please describe the four-step process of the elongation during protein translation in bacteria.arrow_forwardIf a strand of mRNA contains the sequence, UAG CUA UCA AAU AGA, what tRNA anticodons would be needed to translate the sequence?arrow_forwardWhich of the following statements about the translation process is correct? a. RNA is made complimentary to DNA b. A protein is made from the DNA base sequence c. DNA is made complimentary to RNA d. A protein is made from the RNA base sequencearrow_forward
- Explain the three steps (Codon recognition, peptide bond formation, translocation) in elongation step of translation.arrow_forwardHow would a mutation in the poly(A)-binding protein gene affect translation? How would an electron micrograph of polyribosomes from such a mutant differ from the normal pattern?arrow_forwardIf a DNA sequence (exons and introns) and the regions upstream/downstream are normal -- but no mRNA is produced -- what could cause the result?arrow_forward
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