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 with Diseases by Body System (5th Edition)
- The following bacterial DNA sequence uses the top strand as the coding strand and the bottom strand as the template strand. Write what the messenger RNA sequence for this gene would be after transcription occurs.arrow_forwardThe following sequence represents a few codons present in one strand of DNA.Using this strand of DNA as a template strand for transcription, you are required to synthesize a new RNA strand. A) Show the codons that will be present on the RNA strand. B) Using the universal genetic code, provide the amino acids on the protein that will be translated from the RNA strand. 3’ TAC ATG GTT GTG CTA ATT 5’arrow_forwardMany antibiotics are effective as drugs to fight off bacterial infections because they inhibit protein synthesis in bacterial cells. Using the information provided in the following table that highlights several antibiotics and their mode of action, discuss which phase of translation is inhibited: initiation, elongation, or termination. What other components of the translational machinery could be targeted to inhibit bacterial protein synthesis? Antibiotic Action 1. Streptomycin Binds to 30S ribosomal subunit 2. Chloramphenicol Inhibits peptidyl transferase of 70S ribosome 3. Tetracycline Inhibits binding of charged tRNA to the A site of the ribosome 4. Erythromycin Binds to free 50S particle and prevents formation of 70S ribosome 5. Kasugamycin Inhibits binding of tRNAfMet 6. Thiostrepton Prevents translocation by inhibiting EF-Garrow_forward
- Researchers are studying the mechanism of the antibiotic chloramphenicol. They know that it prevents the formation of peptide bonds during translation. A model of the translation process is shown in the diagram. Which of the following describes where in the model chloramphenicol acts to interfere with the production of proteins from DNA? during initiation during elongation during termination during protein releasearrow_forwardA) Describe each step of the DNA REPLICATION in EUKARYOTIC organismsB) Describe each step of the TRANSCRIPTION in EUKARYOTIC organisms.C) Describe each step of the TRANSLATION. Please answer all if you can! thank youarrow_forwardThe following segment of DNA is part of the RNA-coding sequence of a transcription unit. If the bottom strand is template, which of the following RNA sequences would be transcribed? DNA: 5-'ATAGGCGATGCCA-3' 3'-TATCCGCTACGGT-5' O 5'-UAUCCGCUACGGU-3' O 5'-ACCGUAGCGGAUA-3' O 5'-AUAGGCGAUGCCA-3' O 5'-UGGCAUCGCCUAU-3'arrow_forward
- For each of the following initiation factors, how would eukaryoticinitiation of translation be affected if it were missing?A. eIF2B. eIF4C. eIF5arrow_forwardFor each of the following initiation factors, how would eukaryotic initiation of translation be affected if it were missing? A. eIF 2 B. eIF4 C. eIF5arrow_forward#38arrow_forward
- The following fictitious double-stranded bacterial DNA sequence codes for a fictitious protein. Both strands are shown; the top strand reads 5' to 3' left to right, while the bottom strand reads 5' to 3' right to left. Transcription begins with and includes the red underlined A/T (top strand/bottom strand) base pair. This is a bacterial sequence, so there are no introns. 5'GTGTCCGTATGATATTGTGAGATGTTATATCCCGCCGTCAACACCATAAAACAGGATAATCGCCTGCTGGGGCAAAGGCGGTGAAGGTAAAGGTGTTGCC 3′ 3' CACAGGCATACTATAACACTCTACAATATAGGGCGGCAGTTGTGGTATTTTGTCCTAT TAGCGGACGACCCCGTTTCCGCCACTTCCATTTCCACAACGG 5′ a) Which strand is used as a template for transcription, the top or the bottom? b) What are the first 15 nucleotides of the resulting mRNA? Indicate the 5' and 3' ends. c) What is the translation of the first 15 nucleotides of the mRNA? d) Do the underlined nucleotides TAA encode a stop codon for the protein? Explain. e) A mutation occurs which results in the insertion of an extra G/C (top strand/bottom…arrow_forwardArrange the following components of translation in the approximate order in which they would appear or be used in prokaryotic protein synthesis: 70S initiation complex 30S initiation complex release factor 1 elongation factor G initiation factor 3 elongation factor Tu fMet-tRNAifMetarrow_forwardArrange the following components of translation in the approximate order in which they would appear or be used in prokaryotic protein synthesis: 70S initiation complex 30S initiation complex release factor 1 elongation factor G initiation factor 3 elongation factor Tu fMet-tRNAi fMetarrow_forward
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