University of Houston
BIOL 3301
1. Which of the following is NOT a property of RNA?
a) Uracil replaces thymine
b) It contains the sugar ribose
c) It forms a double helix
d) It is found in the nucleus
e) Its nucleotides pair and form extensive secondary structures
2. Which of the following is NOT TRUE regarding the processing of the 3’ end of
eukaryotic RNA transcripts?
a) Is modifi
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University of Houston
BIOL 3301
1. Which of the following is NOT a property of RNA?
a) Uracil replaces thymine
b) It contains the sugar ribose
c) It forms a double helix
d) It is found in the nucleus
e) Its nucleotides pair and form extensive secondary structures
2. Which of the following is NOT TRUE regarding the processing of the 3’ end of
eukaryotic RNA transcripts?
a) Is modified by the addition of 7-methyl guanosine cap.
b) Is modified by the addition of a polyA tail.
c) Has a polyadenylation signal; AAUAAA or AUUAAA, near the 3´ end of the
transcript.
3. Which of the following is the role of the 5’ cap of the mRNA?
a) The cap plays a role in the removal of introns.
b) The cap helps the RNA polymerase find the promoter and initiate transcription.
c) The cap acts as a binding site for the ribosome.
d) The cap protects the chromosome ends
4. In what cellular compartment are introns removed from pre-mRNA to make mature
mRNA?
a) Cytoplasm
b) Endoplasmic Reticulum
c) Nucleus
d) Mitochondia
e) Golgi apparatus
5. Which of the following DNA sequences could be the template for a piece of mRNA
with the sequence: 5’ UGC CGA CGU AGG 3’
a) 5’ TGC CGA CGT AGG 3’
b) 3’ TGC CGA CGT AGG 5’
c) 5’ ACG GCT GCA TCC 3’
d) 3’ ACG GCT GCA TCC 5
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