It is used to ligate introduced DNA in recipient cells
It serves as a selectable marker
It is isolated from a virus
It is isolated from a virus
D.
It is isolated from a virus
Polymerase Chain Reaction (PCR) is used to amplify a DNA segment or to synthesize in vitro the multiple copies of gene (or DNA) of interest, using two sets of primers and the enzyme DNA polymerase. This enzyme is isolated from a bacterium Thermus aquatics and it remains active during the high temperature but high temperature induced denaturation of double stranded DNA
Which one of the following is a case of wrong matching?
Somatic hybridization - Fusion of two diverse cells
Vector DNA - Site for tRNA synthesis
Micropropagation - In vitro production of plants in large numbers
Micropropagation - In vitro production of plants in large numbers
If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complentary RNA strand sequence?
TTAGU
UAGAC
AACTG
AACTG
Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component X in it
Cirrhosis of liver is caused by the chronic intake of
opium
alcohol
tobacco(chewing)
tobacco(chewing)
The Leydig cells as found in the human body are the secretory source of
Progesterone
Intestinal mucus
Glucagon
Glucagon
The Test-tube Baby Programme employs which one of the following techniques?
Intra cytoplasmic sperm injection (ICSI)
Intra uterine insemination (IUI)
Gamete intra fallopian transfer (GIFT)
Gamete intra fallopian transfer (GIFT)
The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating for heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was
Homo habilis
Neanderthal human
Cro-magnon humans
Cro-magnon humans
Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition?
Azotobacter
Aspergillus
Glomus
Glomus
Which one of the following areas in India, is a hot spot of biodiversity?
Eastern Ghats
Gangetic plain
Sunderbans
Sunderbans