The diagram below shows the frequency distribution of two closely related bird species based on their resource use in sympatric. Which one of the following phenomena most appropriately explains the change in frequency distributions of species 1 and 2 in the figure given above?

TLS Online TPP Program

#Question id: 756

#Unit 1. Molecules and their Interaction Relevant to Biology

The thermal denaturation of DNA may be reversed by cooling the solution. Rapid cooling allows:

TLS Online TPP Program

#Question id: 757

#Unit 1. Molecules and their Interaction Relevant to Biology

_______________ a bacterial enzyme, uses the energy of ATP hydrolysis to introduce negative supercoiling into DNA hence removing positive supercoiling generated during replication.

TLS Online TPP Program

#Question id: 758

#Unit 1. Molecules and their Interaction Relevant to Biology

Both miRNAs and one strand of siRNAs are bound by proteins to form a ribonucleoprotein complex called:

TLS Online TPP Program

#Question id: 760

#Unit 1. Molecules and their Interaction Relevant to Biology

Which force can stabilize a DNA double-helix?

TLS Online TPP Program

#Question id: 763

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following could be an effect of miRNA regulation?

TLS Online TPP Program

#Question id: 764

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is NOT correct about tRNA?