TLS Online TPP Program

#Question id: 2527


Transpirational water flow in the xylem requires a mechanically strong wall that resists from,

#Section 3: Genetics, Cellular and Molecular Biology
  1. collapse in response to the negative pressure in the xylem

  2. the forces generated by turgor pressure

  3. bridge to the plasma membrane

  4. collapse in response to the positive  pressure in the xylem

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TLS Online TPP Program

#Question id: 4386

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

Which one of the following techniques would be best suited to follow how a thyroxine-bound receptor translocates from the cytoplasm to its DNA response element?

TLS Online TPP Program

#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

TLS Online TPP Program

#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?

TLS Online TPP Program

#Question id: 4718

#Section 3: Genetics, Cellular and Molecular Biology

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

TLS Online TPP Program

#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 ?

TLS Online TPP Program

#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?