The specificity of initiator tR N A but absent in elongator tR N A ( tR N A m m e t ) is conferred by
A. 3 G : C pairs present in anti codon stem
B. 2 G : C pairs
C. 3 C : C pairs
D. All of the above
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In eukaryotes, the small subunit of ribosome along with cap binding proteins (CBP) (eIF-4F) binds at
A. Shine-Dalgarno sequence
B. Kozak sequence (ACCAUGG)
C. Promoter
D. Enhancer
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Non-coding DNA found between genes is often referred to as
A. Spacer DNA
B. Intron
C. Exon
D. Promoter
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Three types of RNA involved in comprising the structural and functional core for protein synthesis, serving as a template for translation, and transporting amino acid, respectively, are
A. mRNA, tRNA, rRNA
B. rRNA, tRNA, mRNA
C. tRNA, rRNA, mRNA
D. rRNA, mRNA, tRNA
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Mutations in bacterial promoter at -10 sequence (pribnow box) affects
A. The efficiency of initial binding
B. The rate of open complex formation
C. Elongation of transcription
D. All of the above
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Degeneracy in genetic code displays
A. First base degeneracy
B. Second base degeneracy
C. Third base degeneracy
D. All of the above
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At the completion of DNA replication, each newly synthesized DNA strand is
A. Identical in sequence to the strand opposite which it was synthesized
B. Complementary in sequence to the strand opposite which it was synthesized
C. A hybrid strand consisting both DNA and RNA strand
D. Oriented in the same direction as the strand which it was synthesized
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