BSC 203 FINAL || ALL SOLVED.
Which is true about new RNA transcripts?
A. they are synthesized in the 3'-5' direction.
B. they often adopt stem-loop structures.
C. they have two strands.
D. their folding is much simpler than that of DNA correct answers B. they often adopt stem-loop
structures
Any mature mRNA that is ready for translation ____
A. is in the form of a "lariat"
B. is capped at the 5' end
C. has intact introns
D. has a poly-G tail E. has the ORF fully excised (spliced out) correct answers B. is capped at the
5' end
In transcription, if the gene's template strand sequence is 3' - TTCCCGGG...., then the
corresponding pre-mRNA sequence is:
A. 3' -UUCCCGGG...
B. 3' -AAGGGCCC...
C. 5' -AAGGGCCC...
D. 5' -AAUUUGGG...
E. 3' -AAUUUGGG...
F. 5' -UUCCCGGG... correct answers C. 5' -AAGGGCCC...
Which statement is true?
A. The primary RNA transcript is the complement of the non-template strand of the gene
, B. Alternative splicing allows the cell to "tailor" the sequence of a protein to suit the needs of a
particular cell type correct answers B. Alternative splicing allows the cell to "tailor" the sequence
of a protein to suit the needs of a particular cell type
Which statement is true?
A. Introns are removed from the primary transcript during splicing
B. MicroRNAs are RNA species that code for very small proteins correct answers A. Introns are
removed from the primary transcript during splicing
Which statement is true?
A. snRNPs are components of the spliceosome
B. All standard introns begin and end with a C residue correct answers A. snRNPs are
components of the spliceosome
From the Cancer Research UK graphic in the Cancer PPT, which is true?
A. Most cancers of the digestive system are preventable, and most of those involve dietary
factors.
B. Most breast cancers are preventable, but alcohol use plays no role. correct answers A. Most
cancers of the digestive system are preventable, and most of those involve dietary factors.
Which statement is true?
A. Metastasis is a major cause of cancer deaths
B. The large majority of cancers fall into the class called "sarcomas" correct answers A.
Metastasis is a major cause of cancer deaths
Which statement is true?
A. Most cervical cancers are caused by a virus, allowing for prevention by vaccination.
B. Tumors typically appear a few days after the site is exposed to a carcinogen. correct answers
A. Most cervical cancers are caused by a virus, allowing for prevention by vaccination.
Which is true about new RNA transcripts?
A. they are synthesized in the 3'-5' direction.
B. they often adopt stem-loop structures.
C. they have two strands.
D. their folding is much simpler than that of DNA correct answers B. they often adopt stem-loop
structures
Any mature mRNA that is ready for translation ____
A. is in the form of a "lariat"
B. is capped at the 5' end
C. has intact introns
D. has a poly-G tail E. has the ORF fully excised (spliced out) correct answers B. is capped at the
5' end
In transcription, if the gene's template strand sequence is 3' - TTCCCGGG...., then the
corresponding pre-mRNA sequence is:
A. 3' -UUCCCGGG...
B. 3' -AAGGGCCC...
C. 5' -AAGGGCCC...
D. 5' -AAUUUGGG...
E. 3' -AAUUUGGG...
F. 5' -UUCCCGGG... correct answers C. 5' -AAGGGCCC...
Which statement is true?
A. The primary RNA transcript is the complement of the non-template strand of the gene
, B. Alternative splicing allows the cell to "tailor" the sequence of a protein to suit the needs of a
particular cell type correct answers B. Alternative splicing allows the cell to "tailor" the sequence
of a protein to suit the needs of a particular cell type
Which statement is true?
A. Introns are removed from the primary transcript during splicing
B. MicroRNAs are RNA species that code for very small proteins correct answers A. Introns are
removed from the primary transcript during splicing
Which statement is true?
A. snRNPs are components of the spliceosome
B. All standard introns begin and end with a C residue correct answers A. snRNPs are
components of the spliceosome
From the Cancer Research UK graphic in the Cancer PPT, which is true?
A. Most cancers of the digestive system are preventable, and most of those involve dietary
factors.
B. Most breast cancers are preventable, but alcohol use plays no role. correct answers A. Most
cancers of the digestive system are preventable, and most of those involve dietary factors.
Which statement is true?
A. Metastasis is a major cause of cancer deaths
B. The large majority of cancers fall into the class called "sarcomas" correct answers A.
Metastasis is a major cause of cancer deaths
Which statement is true?
A. Most cervical cancers are caused by a virus, allowing for prevention by vaccination.
B. Tumors typically appear a few days after the site is exposed to a carcinogen. correct answers
A. Most cervical cancers are caused by a virus, allowing for prevention by vaccination.
