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
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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
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
The molecular structure of invertebrate homeotic genes differs significantly from that of mammals.
Answer the following statement true (T) or false (F)
An enzyme that breaks down starch and is secreted from the pancreas is:
What will be an ideal response?