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Biochemistry Objective Questions
{ RNA Structure }
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Biochemistry
// RNA Structure
1. A nicked RNA molecule can be ligated by
A. T4 RNA ligase
B. DNA polymerase
C. T4 DNA ligase
D. all of these
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2. The tertiary structure of yeast tRNA
A. involves extensive base stacking interactions
B. resembles the 3-dimensional structure of other tRNAs
C. is maintained mostly by non-Watson-Crick base pairing
D. all of the above
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3. Which of following RNA characteristically contains unusual purines and pyrimidmes?
A. rRNA
B. nRNA
C. mRNA
D. tRNA
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4. The anticodon is a structure on
A. mRNA.
B. tRNA.
C. aribosome.
D. rRNA.
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5. The genetic material of retroviruses such as HIV is
A. DNA
B. RNA
C. protein
D. all of these
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6. Retroviruses replicate via __________ intermediate
A. RNA
B. DNA
C. mRNA
D. rDNA
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7. During RNA synthesis, the DNA template sequence 5'Tp Ap Gp Cp 3' Would be transcribed to produce which of the following RNA sequence?
A. 5'-Ap Tp Cp Gp-3'
B. 5'-Gp Cp Up Ap-3'
C. 5'-Gp Cp Tp Ap-3'
D. 5'-Ap Up Cp Gp-3'
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