Jackofknives
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In the cellular turnover of RNA: 199
A) repair is more active than degradation
B) regions of extensive base pairing are more susceptible to cleavage
C) endonucleases may cleave the molecule starting at either the 5’- or 3’-end
D) the products are nucleotides with phosphate at either the 3’- or 5’OH group
E) all species except rRNA are cleaved
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| me007
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c?
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| new_n_lost
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C) endonucleases may cleave the molecule starting at either the 5’- or 3’-end ??
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| Jackofknives
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Answer is D.
The location of the -OH depends on which side of the phosphodiester bond is splite.
A: there are no RNA repair
B: most degradative enzymes are less edfficient on an ordered structure
C: an endonuclease cleaves an interior phosphodieaster bond
E: all RNA turns over
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