Sample mid term
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Procaryotic RNA synthesis is initiated by binding of _______ to a specific DNA sequence called _______
The latter includes 2 consensus sequences which are (provide the precise nucleotide sequences): _______ and ______. The first effect of this binding is that it causes ____. The RNA molecule then elongates in the ____
direction. The elongation process ends when another specific DNA sequence called the
___________ is encountered by the enzyme
- RNA polymerase
- the promoter
- TTGACA__(-35 sequence)
- TATAAT___(-10 sequence)
- local DNA unwinding
- 5’ to 3’
- terminator sequence (termination signal)
RNA polymerase II catalyzes the transcription of the following genes
- a) all protein-coding genes
- b) snoRNA genes
- c) miRNA genes
- d) siRNA genes
- e) most snRNA genes
Eukaryotic ribosome ____. Large RSU Composed of ___, ___, and ___ subunits. Small RSU rRNA is composed of ____.
In addition to rRNA, each subunit also contains _____
- 5.8s, 5s, and 28s
In eukaryotic cells, mRNA molecules are characterized by having a “cap” structure which consists of _______ linked to ______ at the ____ end of the mRNAs. In addition, these mRNAs have _____ at the other end.
- polyA tail
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