1) Which of the following is a characteristic of RNA splicing in Eurkaryotes?
a) Exon/intron boundaries are typically characterized by a 5' GU splice junction and a 3' AG splice junction.
b) After splicing occurs, the U1, U2, U5, U6 snRNP complex removes remaining exons for degradation.
c) It involves removal of introns from a gene sequence followed by transcription and subsequent splicing of exons.
d) It involves recognition of sequence-specific intron/exon boundary sites by cytoplasmic proteins.
To determine the correct answer, let's go through the options one by one and explain how to approach answering this question.
Option a) Exon/intron boundaries are typically characterized by a 5' GU splice junction and a 3' AG splice junction.
This option describes the consensus sequences found at the boundaries of exons and introns during RNA splicing. One way to check if this is a characteristic of RNA splicing in eukaryotes is to consult a reliable scientific source or textbook that explains the splice junction consensus sequences. Many biological databases or online resources can also provide information on splice junction consensus sequences.
Option b) After splicing occurs, the U1, U2, U5, U6 snRNP complex removes remaining exons for degradation.
This option describes the function of the U1, U2, U5, U6 snRNP complex after splicing. To determine if this is a characteristic of RNA splicing in eukaryotes, you would need to understand the role of this complex in splicing and check relevant scientific sources or textbooks on RNA splicing.
Option c) It involves removal of introns from a gene sequence followed by transcription and subsequent splicing of exons.
This option describes the overall process of RNA splicing in eukaryotes, where introns are removed from the gene sequence, followed by transcription and splicing of exons. To confirm if this is a characteristic of RNA splicing in eukaryotes, you can consult scientific sources, textbooks, or reliable online resources that discuss the process of splicing in eukaryotes.
Option d) It involves recognition of sequence-specific intron/exon boundary sites by cytoplasmic proteins.
This option describes the recognition of sequence-specific intron/exon boundary sites by cytoplasmic proteins during RNA splicing. To validate if this is a characteristic of RNA splicing in eukaryotes, you would need to consult resources that explain the role of cytoplasmic proteins in splicing, such as scientific literature or textbooks.
By following these steps and referring to reliable sources of information, you can determine the correct answer to the question.