Q. Recently, scientists have developed a procedure in which protoplasts of E. coli could be directly infected with the phage DNA. This process is termed as_________

View solution

Q. According to Mendel’s experiments gene carry genetic information from parents to offspring’s. On which plant did he perform his experiments?

View solution

Q. Plasmids are ____________

View solution

Q. What stores the genetic information in DNA?

View solution

Q. DNA always carries the genetic information for all organisms.

View solution

Q. What is the major type of RNA produced in the cell required for translation?

View solution

Q. Which macromolecule is not abundantly found though being of critical importance for biological mechanisms?

View solution

Q. Which of the following is wrongly paired?

View solution

Q. With respect to nucleosides which of the following is paired correctly?

View solution

Q. Which of the following is not a component of the nucleic acid backbone?

View solution

Q. According to Chargaff’s rule the two strands of DNA has ___________

View solution

Q. In one strand of a double stranded DNA the rate of occurrence of A is 3 times C in consecutive 10 bases. So how many G will be there in 100 base pairs of a DNA duplex?[Consider G=T in one strand].

View solution

Q. In a diploid organism with 30,000 bases haploid genome contains 23% A residues. What is the number of G residues in the genome of this organism?

View solution

Q. Which of the following is not a characteristic of nucleotide bases?

View solution

Q. Which of the following factors do not provide to the separation of DNA fragments during electrophoresis?

View solution

Q. Which one of the following is not a function of a nucleotide?

View solution

Q. The first X-ray diffraction patterns of DNA were taken in 1938 by ___________

View solution

Q. In early 1950s high quality X-ray diffraction photographs of DNA suggesting the DNA being double helix and composed of two nucleotide strands. Who took those photographs?

View solution

Q. In 1952, an unambiguous established work in the laboratory of Alexander Todd led to the discovery of _____________

View solution

Q. What should be the complementary strand of 3’….ATGGCTTGA….5’?

View solution