Q. Who discovered nucleic acid?

View solution

Q. Name the pyrimidine base which is found in RNA but not in DNA?

View solution

Q. Name those purine bases which are commonly found in DNA and RNA?

View solution

Q. Deoxyribose sugar is found in DNA.

View solution

Q. Which of these statements are TRUE for a glycosidic bond?

View solution

Q. What is the energy currency of the living cell?

View solution

Q. The primary structure of DNA and RNA proceeds in which direction?

View solution

Q. Which bond is used to stabilize the double helix of DNA?

View solution

Q. Which of these statements are INCORRECT according to chargaff’s rules?

View solution

Q. A purified DNA sample of leaf contains 20.0 mole of guanine. Calculate the approximate percentage of purine residues?

View solution

Q. Who described the structure of DNA double helix?

View solution

Q. Which form of DNA is described by Watson-Crick model?

View solution

Q. How many base pairs are there in every helical turn of Watson-Crick double helix model?

View solution

Q. Which one of the following statement is INCORRECT for Z-DNA?

View solution

Q. The third strand of triple helix is paired in which scheme?

View solution

Q. Name the nitrogenous base which is found in abundance in G-quadruplex?

View solution

Q. The stability and formation of G-quadruplex depends on __________

View solution

Q. Which of this factor is not responsible for thermal denaturation of DNA?

View solution

Q. Double-stranded DNA with high GC content has higher thermal stability than that of lower GC content?

View solution

Q. What is the term given to the supercoiling of circular DNA?

View solution