There are characteristic patterns of hydrogen bonding and of overall shape that are exposed in the major groove that distinguish an A:T base pair from a G:C base pair, and, for that matter, A:T from T:A, and G:C from C:G,

#Question id: 4418

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Histones in repressed regions near telomeres and at the silent mating loci are hypoacetylated, confirmed by using

#Question id: 4554

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

In which studies have shown that phosphorylated NtrC bound at enhancers and σ54-polymerase bound at the promoter interact directly, forming a loop in the DNA between the binding sites?

#Question id: 4718

#Section 3: Genetics, Cellular and Molecular Biology

All the following statements about destruction of cyclins are true, except:

#Question id: 4727

#Section 3: Genetics, Cellular and Molecular Biology

if mendal had studied the seven trait using a plant with 12 chromosome instead of 14, in what manner would his interpretation have been different ?

#Question id: 4728

#Section 3: Genetics, Cellular and Molecular Biology

The genotype r/r ; p/p gives fowl a single comb, R/– ; P/– gives a walnut comb, r/r ; P/– gives a pea comb, and R/– ; p/p gives a rose comb. Which of the following parental genotype would produce 3/8 Walnut comb, 1/8 pea comb, 3/8 rose comb and, 1/8 single comb?

#Question id: 4729

#Section 3: Genetics, Cellular and Molecular Biology

In the following example, 3 independently assorting genes A, B and C are known to govern coat color in mice. Homozygous recessive cc (albino phenotype) is epistatic over both gene A and B, What will be the expected frequency of non albino, in the progeny from cross of AaBbCc with genotype of AABbCc?