Biology questions
20584 published questions with worked solutions.
- Transgenic plants carry desirable traits like
- Extracted DNA + plasmid = __________?
- Sticky end produced by restriction endonuclease is GAATTC, then which of the following DNA segment will form rDNA?
- A technique of in-vitro cloning is
- In rDNA technology, desired gene containing bacterial colony can be identified using
- The pre-requisites for biotechnological production of antibiotics is
- Plasmids are the suitable vectors for genetic cloning as
- During virion assembly, the DNA is packed within
- Some plasmids are given names of places where they are discovered e.g.
- The length of DNA of a lambda phage is
- Which phenomenon can create mutation?
- During construction of gene library, large DNA molecules are inserted into host by
- The sticky ends of fragmented DNA molecule are made up of
- In genetic engineering, the same endonuclease are used to cut vector DNA and donor DNA as
- DNA segment cleaved by EcoRI is
- Restriction endonuclease cleaves the DNA molecule by hydrolyzing
- Which is not true about restriction endonuclease?
- A fragment of DNA, cut by a restriction enzyme, forms bond with other DNA molecules that have
- In EcoRI, E and R stands for
- Construction of genomic library involves