Protein And Nuclei Acids

The first level of regulation of gene expression in eukaryotes is

Enzyme which digest nucleic acid by hydrolyzing phosphodiester bonds are called as

The size of the maximum DNA insert that can be cloned in a YAC

In a double stranded molecule of DNA, the ratio of purines : pyrimidines is

The smallest plant genome identified

Which one of the following amino acid has crucial role in the variability of protein structure?

Transcription is the process of

The ability of proteins to absorb ultraviolet light is predominantly due to the presence of

Which of the following statement about the ribosome complex is correct?

DNA polymerase involved in general DNA replication in eukaryotes is

The specificity of initiator $$tRNA$$xa0 but absent in elongator $$tRNA,left( {tRNA_m^{met}}
ight)$$ xa0xa0 is conferred by

In eukaryotes, the small subunit of ribosome along with cap binding proteins (CBP) (eIF-4F) binds at

Non-coding DNA found between genes is often referred to as

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

Mutations in bacterial promoter at -10 sequence (pribnow box) affects

Degeneracy in genetic code displays

At the completion of DNA replication, each newly synthesized DNA strand is

Homologous genes present in different organisms are called

The C-value paradox may be explained by the

A virus whose RNA genome has a DNA intermediate as part of its replication cycle

In most bacterial mRNAs, the initiation codon is preceded by a special sequence called

Proteins transported to nucleus requires

In E. coli, if there is no CCA at 3' end tRNA, it will be added by the enzyme

Which one of the following is not directly involved in the process known as translation?

Which of the following statement about eukaryote RNA polymerases is correct?

The 5' upstream of a transcription start contains

Open promoter complex comprises

The length of DNA present in nucleosome core particle

The reduction of nitrate to nitrite in the cytosol is catalyzed by the enzyme

The term "gene" was coined by

In clover leaf model of $$tRNA$$xa0, $$psi $$ present in $$Tpsi C$$xa0 loop represents

Which of the following steps are involved in the process of template preparation during DNA replication?

Because of base interactions, the outside of the helix is not smooth and it is termed as

Initiator codon (AUG) always encode the amino acid

Which one of the following component of RNA polymerase is NOT common to both prokaryotes and eukaryotes?

The number of bases per turn of the helix in A form DNA is

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

The enzyme which synthesize RNA primer for DNA synthesis is

The role of guide RNA (gRNA) is recognized in

The form or conformation of DNA double helix which is prevalent in vivo is

The sugar residues are covalently joined by

The daughter cells receive duplex DNA as

Molecular markers are useful in

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?

Which one of the following base is present only in DNA?

Kinase reactions

The backbone of double helix DNA is