Protein And Nuclei Acids — Part 1 MCQs with Explanations

DNA primase is the correct answer to “The enzyme which synthesize RNA primer for DNA synthesis is”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

RNA editing is the correct answer to “The role of guide RNA (gRNA) is recognized in”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

B-DNA is the correct answer to “The form or conformation of DNA double helix which is prevalent in vivo is”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

5' → 3' phosphodiester bonds is the correct answer to “The sugar residues are covalently joined by”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

One from parent and one is newly synthesized is the correct answer to “The daughter cells receive duplex DNA as”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

All of the above is the correct answer to “Molecular markers are useful in”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

α is the correct answer to “In eukaryotes, which DNA polymerase is involved in extending the RNA primer and providing template for an accessory factor and replication factor, which control the processivity in lagging strand”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Thymine is the correct answer to “Which one of the following base is present only in DNA”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Involve the addition or removal of a phosphate group is the correct answer to “Kinase reactions”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Sugar phosphate units is the correct answer to “The backbone of double helix DNA is”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Ortholog is the correct answer to “Homologous genes present in different organisms are called”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Predominance of non-coding DNA is the correct answer to “The C-value paradox may be explained by the”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Retro virus is the correct answer to “A virus whose RNA genome has a DNA intermediate as part of its replication cycle”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Ribosome binding site is the correct answer to “In most bacterial mRNAs, the initiation codon is preceded by a special sequence called”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Nuclear localization sequences is the correct answer to “Proteins transported to nucleus requires”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

tRNA nucleotidyl transferase is the correct answer to “In E. coli, if there is no CCA at 3' end tRNA, it will be added by the enzyme”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

DNA is the correct answer to “Which one of the following is not directly involved in the process known as translation”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

All of the above is the correct answer to “Which of the following statement about eukaryote RNA polymerases is correct”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Promoter is the correct answer to “The 5' upstream of a transcription start contains”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Both A and B is the correct answer to “Open promoter complex comprises”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

DNA methylation and chromatin structure is the correct answer to “The first level of regulation of gene expression in eukaryotes is”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

All of the above is the correct answer to “Enzyme which digest nucleic acid by hydrolyzing phosphodiester bonds are called as”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

200 - 2000 kb is the correct answer to “The size of the maximum DNA insert that can be cloned in a YAC”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Always 1 : 1 is the correct answer to “In a double stranded molecule of DNA, the ratio of purines : pyrimidines is”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Arabidopsis is the correct answer to “The smallest plant genome identified”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Glycine is the correct answer to “Which one of the following amino acid has crucial role in the variability of protein structure”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Using DNA strand as a template to synthesize a complementary RNA molecule is the correct answer to “Transcription is the process of”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Tryptophan is the correct answer to “The ability of proteins to absorb ultraviolet light is predominantly due to the presence of”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

All of the above is the correct answer to “Which of the following statement about the ribosome complex is correct”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

A and B both is the correct answer to “DNA polymerase involved in general DNA replication in eukaryotes is”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

146 bp is the correct answer to “The length of DNA present in nucleosome core particle”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Nitrate reductase is the correct answer to “The reduction of nitrate to nitrite in the cytosol is catalyzed by the enzyme”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Wilhelm Johannensen is the correct answer to “The term "gene" was coined by”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Pseudouridine or pseudouracil is the correct answer to “In clover leaf model of $$tRNA$$ , $$\psi $$ present in $$T\psi C$$ loop represents”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

All of the above is the correct answer to “Which of the following steps are involved in the process of template preparation during DNA replication”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

A and B both is the correct answer to “Because of base interactions, the outside of the helix is not smooth and it is termed as”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Both A and B is the correct answer to “Initiator codon (AUG) always encode the amino acid”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

σ is the correct answer to “Which one of the following component of RNA polymerase is NOT common to both prokaryotes and eukaryotes”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

10 is the correct answer to “The number of bases per turn of the helix in A form DNA is”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.

Isochores is the correct answer to “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”. This question is standard in competitive examination syllabi for Protein And Nuclei Acids.