Processing of occurs in the and requires the action of a group of RNAs known as as well as proteins including . a. mRNA; nucleus; snoRNAs; deadenylases

b. tRNA; nucleus; snRNAs; splicing factors

c. rRNA; nucleolus; snRNAs; kinases

d. rRNA; nucleolus; snoRNAs; exonucleases

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desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

the animal that would be cutest if scaled down to the size of a cat? elephant