Protein And Nuclei Acids MCQ
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At the completion of DNA replication, each newly synthesized DNA strand is
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Degeneracy in genetic code displays
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Mutations in bacterial promoter at -10 sequence (pribnow box) affects
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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
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Non-coding DNA found between genes is often referred to as
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In eukaryotes, the small subunit of ribosome along with cap binding proteins (CBP) (eIF-4F) binds at
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The specificity of initiator $$tRNA$$ but absent in elongator $$tRNA\,\left( {tRNA_m^{met}} \right)$$ is conferred by
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Based on buoyant density gradient centrifugation, the mammalian genome is divided into five regions which are > 300 kbp in length, characterized by relatively homogenous compositions. These regions are
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The number of bases per turn of the helix in A form DNA is
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Which one of the following component of RNA polymerase is NOT common to both prokaryotes and eukaryotes?
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Initiator codon (AUG) always encode the amino acid
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Because of base interactions, the outside of the helix is not smooth and it is termed as
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Which of the following steps are involved in the process of template preparation during DNA replication?
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In clover leaf model of $$tRNA$$ , $$\psi $$ present in $$T\psi C$$ loop represents
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The term "gene" was coined by
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The reduction of nitrate to nitrite in the cytosol is catalyzed by the enzyme
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The length of DNA present in nucleosome core particle
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DNA polymerase involved in general DNA replication in eukaryotes is
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Which of the following statement about the ribosome complex is correct?
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The ability of proteins to absorb ultraviolet light is predominantly due to the presence of
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Transcription is the process of
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Which one of the following amino acid has crucial role in the variability of protein structure?
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The smallest plant genome identified
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In a double stranded molecule of DNA, the ratio of purines : pyrimidines is
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The size of the maximum DNA insert that can be cloned in a YAC
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Enzyme which digest nucleic acid by hydrolyzing phosphodiester bonds are called as
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The first level of regulation of gene expression in eukaryotes is
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Open promoter complex comprises
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The 5' upstream of a transcription start contains
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Which of the following statement about eukaryote RNA polymerases is correct?