Recombinant DNA Technology
Trending Questions
- recognition sequences
- identification sequences
- cutting sequences
- enzyme sequences
Why same restriction endonuclease is employed to cut the cloning vector and donor DNA?
The enzyme ligase is also known as:
genetic scissor
plasmid
genetic glue
vector
- Hybridization
- Recombinant DNA technique
- Heavier isotope labeling
- X-Ray diffraction
- Ligase
- Restriction endonuclease
- Maltase
- Trypsin
Regarding the assertion and reason, select the correct option.
Assertion [A]: DNA replication is semiconservative in nature.
Reason [R]: One of the DNA strands is synthesised continuously, while the other is synthesised discontinuously.
Both A and R are true and R explains A
A is true and R is false
Both A and B are true, but R does not explain A
Both A and R are false
Can two people be exactly alike?
- removal of genes
- translation of DNA
- joining DNA fragments
- cutting DNA fragments
- Vectors
- Plasmids
- Probes
Nobel prize for 1978 for restriction endonuclease technology was given to___________
Temin & Baltimore
Milstein & Kohler
Arber, Nathan & Smith
Holley, Khorana & Nirenberg
Cosmids are ______
Vector constructed using plasmid DNA and cos site of Lambda phage DNA
Plasmid DNA with RNA
None of the above
Naturally occurring vector
In the operon model, RNA polymerase binds to
- Salmonella and Pseudomonas
- Salmonella typhimurium and Agrobacterium tumefaciens
- Bacillus thuringiensis and Pseudomonas fluorescens
- Rhizobium leguminosarum and Azotobacter agilis
Is biotechnology moving backward from gene splicing to gene editing to directed evolution?
The ______clones are developed by nuclear transfer into the host cell.
induced
natural
molecular
therapeutic
- Manipulation of cell contents
- Test tube babies
- Manipulation (modification) of genes
- Manipulation of cytochromes
- True
- False
What is another name of r-DNA technology?
- plasmids that can transfer foreign DNA into a living cell
- cosmids that can cut DNA at specific base sequence
- plasmids that can join difference DNA fragments
- cosmids that can degrade harmful proteins
- (i), (iii), (ii), .(iv), (v)
- (i), (v), (ii), (iv), (iii)
- (iii), (ii), (i), (v), (iv)
- (v), (i), (iii), (iv), (ii)
- cutting DNA of other bacteria
- cutting its own DNA as a defense mechanism
- cutting its own DNA during replication
- cutting DNA of viruses that invade them
- Stanley Cohen
- Walter Sutton
- Har Gobind Khorana
- James D Watson
- fungi
- bacteria
- plants
- viruses
- Settling cases of disputed parentage
- Solving criminal cases
- PCR
- Verifying the identity of an individual
How different are humans genetically?
What is a DNA vector?
In genetic engineering how is genetic material obtained?
- extra chromosomal DNA which can self replicate
- DNA carrying genetic sequence, without expressing it
- integrated within host DNA without replication ability
- neutralizing substances present within the genes
- Gene gun
- Microinjection
- Electroporation
- All the above