You are searching the sequence of a coding strand of DNA. What kinds of sequences would help you find the beginning of a protein-coding gene? Group of answer choices a promoter sequence upstream (to the 5' end) of a transcription start site and an ATG sequence corresponding to the start codon a transcription termination sequence a silencer sequence an ATA sequence corresponding to the codon for isoleucine
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- This diagram shows a double-stranded section of DNA. The arrow indicates location and strand of the transcription start site. The direction of transcription is also indicated. In which box would you find a 5’TATAA \3’ promoter sequence that would be used for initiating transcription at the start site shown? a) Box A b) Box B c) Box C d) Box DThe following diagram represents a transcription unit in a hypothetical DNA molecule. 5′ … TTGACA … TATAAT … 3′ 3′ … AACTGT … ATATTA … 5′ Q.Where, approximately, will the transcription start site be?The diagram below shows an imaginary eukaryotic structural gene containing two exons. The exon nucleotides are numbered beginning at the transcription start site and a portion of the intron is not shown to save space: Help Center? transcription start site promoter U STACAGTATAAATGAATTAATTGACGTATGTCAATCGGTAAGT...TCAGGTACT U UUU} Phe UUG} Leu exon 1 3 ATGTCATATTTACTTAATTAACTGCATACAGTTAGCCATTCA...AGTCCATGAATGACTTATGTGCGGTTATTTACTGAT... Second letter C Predict the amino acid sequence of the polypeptide encoded by this structural gene. The genetic code is provided below.
- Which of the following is/are not necessary for transcription to occur? A. Promoter region B. Terminator region C. Start codon D. Stop codonThe assembly of transcription factors on a promoter begins some 25 nucleotides upstream where it binds to a start _______________ sequence Group of answer choices TAAT ATTA TATA ATGCWhich is the correct option here? How can one primary transcript result in several polypeptides with different amino acid sequences. A. Phosphorylation of proteins after translation B. alternative splicing of exons C. An addition of polyA tail to mRNA D. Incorporation of an amino acid at a stop codon
- I've attached the table of transcription ans translation for a DNA and Bees work, Genes A and B are exons while C is an intron. Gene A has a silent mutation and Gene B has a nonsense mutation. Please answer the below for me The 3 genes code for different proteins: • Gene A = protein essential for stinger • Gene B = DNA replication enzyme • Gene C = fuzzy hair protein Do you think it matters which protein is mutated? Is one protein more important than another? How would you try to help the bees stay healthy using the information from the mutations?Which of the following statements about gene expression is false?a) More than one RNA polymerase can be transcribing a specific gene at a given time.b) More than one ribosome can be translating a specific transcript at a given time.c) Translation begins at a site called a promoter.d) Transcription stops at a site called a terminator.e) Some amino acids are coded for by more than one codon.Mutation of which of these sequences would have an effect on translational initiation? A. 3’ UTR B. Polyadenylation signal C. 5’ UTR D. upstream enhancer E. TATA box
- This is a double-stranded DNA sequence—with no introns—that codes for a small protein (this is a hypothetical example: real genes are much longer and have introns). Transcription begins at the Transcription Start Site, which is the G/C base pair indicated by “TSS” and gold shading. Transcription stops at the A/T base pair marked with the arrow. (shown in image 1) 1)Which strand is the template strand for transcription? a)top b) bottom 2)What elements allowed you to identify the template strand? (Select all that apply) a)An ATG toward the 5' end ("upstream"} from the TSS b)The template strand has the 3' end on the left side. c) An ATG toward the 3' ("downstream") from the TSS d) The template strand is "read" by the polymerase from its 3' to 5' end. 3)What is the sequence of the mRNA transcribed from this gene? a) 5’GACAGACGAUGACAUCAUGCAAAUAAGAAUUUA3’ b) 5’CUGUCUGCUACUGUAGUACGUUUAUUCUUAAAU3’ c) 3’GACAGACGAUGACAUCAUGCAAAUAAGAAUUUA5’ d) 3’CUGUCUGCUACUGUAGUACGUUUAUUCUUAAAU5’ 4) Write the…Below is a template strand of DNA. Assume the transcription start site is outside of this sequence so that the whole sequence is transcribed. After the mRNA is made, what amino acid sequence would be translated from this sequence? Translation begins at the first start codon of the mRNA. DNA template strand: 5’ ...ACTGATGCCCATGGC... 3’ a)Met-Pro-Met b)Ala-Met-Gly-Ile-Ser c)Thr-Asp-Ala-His-Gly d)Met-Gly-Ile-SerWhat polypeptide would be produced from the following strand of DNA? The first pair of nucleotides (bolded) contains the start point of transcription. Label the C-terminus and N-terminus ends of the polypeptide. 3’-ATGCCTACGGGTACGCCACTACTCCC-5’ 5’-TACCCATGCCCATGCGGTGATGAGGG-3’