The F2 progeny from a particular cross exhibit a modified dihybrid ratio of 9 : 7 (instead of 9 : 3 : 3 : 1). What phenotypic ratio would be expected from a testcross of the F1?

#Question id: 3032

#Part-B Specialized Branches in Biotechnology

Which of these statements about prokaryotes is correct?

#Question id: 827

#Part-A Aptitude & General Biotechnology

Which of the following factor are not responsible for the protein denaturation?

#Question id: 11955

#Part-B Specialized Branches in Biotechnology

The process of obtaining food is known as ________ and requires specialized feeding mechanisms.

#Question id: 11851

#Part-A Aptitude & General Biotechnology

The greatest number of four digits which is divisible by 15, 25, 40 and 75 is :

#Question id: 4481

#Part-B Specialized Branches in Biotechnology

Choose correct statements about recognition mechanism of TBP ;

A. TBP causes the minor groove to be widened to an almost flat conformation

B. It also bends the DNA by an angle of ~120o

C. The interaction between TBP and DNA involves maximum number of hydrogen bonds between the protein and the edges of the base.

D. Much of the specificity is imposed by two pairs of phenylalanine side chains that intercalate between the base pairs at either end of the recognition sequence and drive the strong bend in the DNA.