Eukaryotic messenger rna can undergo post synthetic processing after transcription and before translation. one of the processing steps is splicing, where portions of the rna are removed and the remaining rna joined together. sort the following statements regarding mrna splicing as true or false. true statements false statements
splicing occurs while the mrna is attached to the spliceosome
splicing occurs after the mrna enters the cytoplasm but before it binds to the ribosome
proteins in the splicesome recognize the 5 and 3' splice site sequences
one mrna can sometimes code for more than one protein by splicing at alternative sites.
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Suppose a point mutation, such as a change from an adenine to a guanine, occurs in the genome of a human sperm cell. the mutation could occur in any region of a gene. the effect of the mutation on the phenotype of the offspring will be determined by where the mutation occurs and its effect on the final gene product. in which of the following scenarios could the mutation alter the phenotype of the offspring? select all of the scenarios that apply the mutation occurs in the promoter and affects the rate of gene transcription. the mutation results in a new, dominant allele the mutation occurs in a portion of an intron not responsible for exon splicing the mutation occurs in a gene that controls development and alters differentiation of a cell type during development. the mutation occurs in a codon and alters the function of the final protein e mutation occurs in a codon, and the amino acid sequence of the final protein is unchanged.
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Eukaryotic messenger rna can undergo post synthetic processing after transcription and before transl...
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