Which of the following is the Pribnow box?
5′-TATAAT-3′
5′-TAATAT-3′
5′-AATAAT-3
5′-ATATTA-3′
A.
5′-TATAAT-3′
The promoters are bacterial and viral genes usually contains a consensus sequence of 5'- TATAA-3' forming RNA polymerase binding site or the Pribnow box, after its discoverer. Pribnow box lies within the promoter about 10 base pairs before the starting point of transcription.
About how long ago was the earth formed
3 billion years ago
10 billion years ago
4.6 billion years ago
20 billion years ago
Which of the following T-cells and destroyed by HIV?
Cytotoxic T-cells
Killer T-cells
Suppressor T-cells
Helper T-cells
The plant whose seeds are known to leave the longest viability period is
Carica papaya
Triticum aestivum
Zizypus mauritiana
Nelumbo nucifera
Who received Nobel Prize in 1951 for the development of a vaccine for yellow fever?
Max Theiler
Ronald Ross
Max Delbruck
Francis Peyton Rous
Jut is a
bast fibre from secondary xylem
bast fibre from primary xylem
bast fibre from secondary phloem
bast fibre from primary phloem
Gas gangrene is caused by
Clostridium botulinum
Xanthomonas campestris
Pseudomonas
Clostridium perfringens
The genome of Caenorhabditis elegans consists of
3 billion base pairs and 30,000 genes
12 million base pairs and 6000 genes
4.7 million base pairs and 4000 genes
97 million base pairs and 18,000 genes
