Shortly after transcriptional initiation by RNA polymerase II, a methylated nucleoside (7-methylguanosine, m7G) is added and linked by a 5′–5′ phosphodiester bond to the first 5′ nucleotide, What is this process called? Question 15 options: 3' Capping 5' Capping Polyadenylation Splicing Question 16 During polyadenylation, the RNA is cleaved at a specific site. The site is: Question 16 options: 15–30 nucleotides downstream of the AAUAAA sequence 15–30 nucleotides upstream of the AAUAAA sequence at AAUAA sequence At random site recognized by RNA polymerase
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
Question 15
Shortly after transcriptional initiation by RNA polymerase II, a methylated nucleoside (7-methylguanosine, m7G) is added and linked by a 5′–5′ phosphodiester bond to the first 5′
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3' Capping |
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5' Capping |
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Polyadenylation |
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Splicing |
Question 16
During polyadenylation, the RNA is cleaved at a specific site. The site is:
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15–30 nucleotides downstream of the AAUAAA sequence |
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15–30 nucleotides upstream of the AAUAAA sequence |
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at AAUAA sequence |
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At random site recognized by RNA polymerase |
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