If the sugar in nucleic acid is deoxyribose, than polymer is

The DNA molecule is stabilized by

The two strands of DNA are held together by

Sugar phosphate backbone chain has the direction

According to Chargaff's rules

The common purines are

The most common naturally occurring DNA is

The phenomenon in which the H bonds pair the bases of nucleotides in one chainto complementary bases in the other is called

Loss of H-bonds between two complementary strands results in

RNA molecules exist as

Pyrimidine and purines are strong

Nucleic acids are made up of monomers called

The important functional groups participating in H-bond formation are the amino groups of

The largest individual molecules known are

Oxygen of phosphates are

The DNA can be denatured by

The main function of nucleic acid is to

The substructure consisting of a nucleobase and sugar is termed as

The major groove is wider in

The bases in sugar phosphate backbone are

A technique which measures genetic distance between two species is called

Pyrimidine and purine exist as

In sugar phosphate backbone, the sugars are linked together by

The degrees of freedom of DNA are

Nucleic acids were first discovered within nucleus of

The common naturally occurring pyrimidines are

DNA can transfer genetic information due to

The number of bases per turn in B-DNA is

The persistence length of a section of DNA is dependent upon it's

The most oxidized state of purine is

Example of cyclic amide is

The DNA nitrogenous base thymine forms two hydrogen bonds with

The two strands of DNA are held together by

Cytosine and Uracil are commonly found in

DNA with higher GC content are

In Watson and Crick's model of DNA the purine is opposite to

A nucleotide has component

The two strands of DNA are

5'-ATGC-3' will be complementary to

Nucleic acids were discovered in

DNA synthesis is

Replication occurs once every cell generation during

The specific chromosomal locations from where the replication begins are called as

Most of the mistakes during DNA replication are corrected by

Single base substitutions are called as

The change in nucleotide sequence of a short region of genome is called

All the biological DNA synthesis occurs from the

If replication was completely conservative than

The strand that contains okazaki fragments is

The synthesis that proceeds in the direction of the replication fork is the

Protein which is responsible for keeping the DNA unwound after unwinding is

Telomerase is typically active in

The enzyme that makes DNA complementary to the unwound DNA is

In humans, a six base pair sequence TTAGGG is repeated

Proof reading of newly synthesized DNA is done by

Transition occurs when purine is substituted with

Newly synthesized DNA contains

Newly synthesized DNA contains

All newly synthesized polynucleotide strands must be initiated by

The complementary RNA bases to 3' ends of DNA strand are added by

When DNA opens up the Y shaped structures are called as

When DNA polymerase meets an adenine nucleotide on the template strand than at 3' end it adds

The enzyme which is responsible for unwinding the DNA at the replication fork is called

Okazaki fragments are stitched together by

Eukaryotic DNA is bound to histones to form

The ends of linear chromosomes are known as

Changing the twist from relaxed state requires adding energy and increases the

The tightly packed form of DNA is called

When DNA helix has normal number of base pairs per helical turn than it is in

For vertebrates, the sequence of nucleotides in telomeres is

Proteins responsible for the compact packing and winding of chromosomal DNA are

The type of chromatin that participates in the active transcription of DNA to mRNA products is

When the molecule relieves the helical stress by twisting around itself than the phenomena is called

Most protein coding genes are

Heterochromatin is usually localized to the periphery of the

The region of repetitive nucleotide sequences at each end of chromatid is

Euchromatin is the

If the centromere is located at the terminal end of chromosome than its called

In humans the sequence TTAGGG is repeated

Over twisting a molecule leads to

In mammals and insects, the repetitive DNA lies in

In prokaryotes the single copy DNA is present

The signal for formation of a regional centromere appears to be

In most eukaryotic organisms telomerase is active only in

Percentage of human genome to be euchromatic is

If the length of chromosome arms are unequal than chromosome is said to be

A type of heterochromatin that is usually repetitive and forms structural functions such as centromeres or telomeres is

During mitosis, spindle fibers attach to the centromere via

On the bases of the position of the centromere, chromosomes are of

Part of chromosome that links sister chromatids is called

The experiment went wrong if there is no growth of bacteria in

The signs and symptoms of cancer include

The number of cancer types which can affect human health is

Within chromosomes, DNA is held in complexes with

A mechanism through which new genetic material is generated during molecular evolution is called

Control over polymerase access to gene includes

The number of transcription factors increases with

Non-codingRNAs regulate

An operon is made up of