In eukaryotes a so-called cap consisting of ________ is attached to the 5' end of the molecule during posttranscriptional modification of hnRNA to produce functional mRNA.

Fill in the blank(s) with the appropriate word(s).


7-methylguanosine

Biology & Microbiology

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Millions of years ago, the activity of which cellular organelle would have been dependent upon the presence of

cyanobacteria? a. Golgi b. nucleus c. ribosome d. mitochondrion e. endoplasmic reticulum

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The molecular structure of invertebrate homeotic genes differs significantly from that of mammals.

Answer the following statement true (T) or false (F)

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An enzyme that breaks down starch and is secreted from the pancreas is:

What will be an ideal response?

Biology & Microbiology

The Shine-Dalgarno sequence in bacteria __________

A) is a purine-rich consensus sequence found in the 5? UTR of the mRNA B) is a pyrimidine-rich consensus sequence found in the 3? UTR of the mRNA C) is a purine-rich consensus sequence found in the 16S rRNA subunit D) is a region of the tRNA molecule involved in formation of charged tRNAs E) is a consensus sequence involved in the termination of translation

Biology & Microbiology