11. TBP stands for? a) Transcription factor binding protein b) Transcription associated factor c) TATA box polymerase d) TATA-box binding protein
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- TBP stands for?a) TATA box polymeraseb) TATA-box binding proteinc) Transcription associated factord) Transcription factor binding proteinChoose all of the following that you think are correct Protein(s) that play a role in initiating transcription in eukaryotes include A) general transcription factors. B) transposase enzymes C) RNA polymerase II. D) mediator protein complex. E) enhancers F) topoisomerase G)helicase Multiple answers Group of answer choices D B F A E C G29. Huntington disease results from expansion of a CAG triplet within the first exon of the huntingtin (HD) gene. This genetic defect most likely results in which of the following? DA) Abnormal polyglutamine tract within the huntingtin protein B) Abnormal splicing of huntingtin mRNA C) Decreased transcription of huntingtin mRNA D) Premature translation termination E) Shifted translation frame ined
- Label these processes 1-8 (1 being the earliest time point) in the order they would occur during expression of a eukaryotic gene. a) Regulatory transcription factor binding at an enhancer b) transcription initiation c) Phosphorylation of the gene's protein product d) MRNA nuclear export e) general transcription factor binding to promoter f) chromatin remodeling to expose promoter g) splicing h) translation initiationSelect the following descriptions of gene transcription regulation in eukaryotes that are post-transcriptional/pre-translational: Select 3 correct answer(s) A) Acetylation of histone tails B) Length of poly A tail C) Alternative splicing of mRNA molecule D) Binding of activators to enhancers regions on the DNA E) Addition of functional groups to a fully formed protein F) DNA methylation G) Chromatin modification H) Destruction of protein before/after modifications by a proteosome I) destruction of mRNA by RNA interference1. Two closely related species may have a very similar genome size but very different number of a)nucleosomes B)mitochondrial chromosomes C)nucleoli D)chromosomes 2. What is required for RNA polymerase to be able to dissociate from transcription factors and start transcribing the DNA? A)acetylation of histones B)methylation of the DNA that will be transcribed C)phosphorylation of the RNA polymerase tail D)phosphorylation of transcription factors
- Which of the following is a possible consequence of a mutation that introduces a premature stop codon in a gene sequence? a) No transcription into an mRNA. Ob) The shortening of an mRNA transcript. c) No binding of the transcription initiation complex. d) The shortening of an amino acids sequence. e) No translation of the mRNA.14) Why are telomeres so important in eukaryotic organisms? A) Without telomeres, important DNA could be lost every time the cell divides. B) They cap the mRNA, allowing it to pass through the nuclear membrane to the cytoplasm fo translation. C) They provide a repetitive DNA sequence needed by primers to recognize the beginning of transcription. D) They remain relatively undamaged from environmental stress and toxins.26) Eukaryotes are unable to couple transcription and translation because: A) the two processes occur in separate regions of the cell B) they do not have the specialized ribosomes that occur in bacteria C) the genetic code in eukaryotes is incompatible with the formation of polyribosomes D) the mRNA of eukaryotes do not have the appropriate spacers that polycistrons allow for polyribosomes to form E) eukaryotic mRNA molecules are monocistronic. asap please.
- Transcription in eukaryotes requires which of the following in addition to RNA polymerase? Choose all that apply A) ribsomes and tRNAs B) start and stop codons C) several transcription factors D) DNA nucleotides E) Aminoacyl-tRNA synthetase F) RNA nucleotides .Which statement regarding UTRs is TRUE? a) Transcription begins at the start of the 5' UTR b) Translation begins at the start of the 5' UTR c) The 5' and 3' UTRs are spliced from the mRNA transcript d) The translation stop codon is found downstream of the 3' UTR1. True or False a) DNA bases, when coiled to histones, become inaccessible to RNA polymerase. b) Methylation silences the gene expression. c) Poly-A tail is added to the growing mRNA prior to translation.