QUESTION 1 1 points Save Ansv The 5\' 7-methylguanosine cap accomplishes all of

Question

QUESTION 1 1 points Save Ansv The 5' 7-methylguanosine cap accomplishes all of the following functions, EXCEPT directs pre-mRNA for processing and splicing assists in establishing internal ribosomal entry sites (IRESs) for viral protein synthesis Oregulates nuclear export of mature mRNA required for efficient 5'-end translation prevents degradation by exonucleases QUESTION 2 1 points Save Ans Adenovirus E1A protein stimulating the expression of adenovirus E2 protein which then stimulates the expression of adenovirus IVa2 & L4 protein is an example of: dimerization repression of gene expression cascade regulation a negative autoregulatory loop

Explanation / Answer

Answer-1: Correct answer is option-2, because it initially helps in translation of proteins for the host system. Rest all options are the correct functions of 5' 7-guanosine cap site.

Answer-2: Correct answer is option-3, because, it can be clearly stated that E1 protein is stimulating the expression of E2 protein and further this E2 protein is helping in the expression of IVa2 and L4 proteins. Therefore, there are series of reactions which are occuring consecutively to bring about the activity in adenovirus by completing the cascade signalling process.

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