A ______ electron microscope provides a three-dimensional view of the surface of an object.

TLS Online TPP Program

#Question id: 33460

#Unit 1. Molecules and their Interaction Relevant to Biology

Assume that a poly(A) tract five base pairs long produces a 20^o bend in a DNA strand. What will the total (net) bend produce in a DNA if the center base pairs (the third of five) of two successive (dA)5 tracts are located15 base pairs apart;

TLS Online TPP Program

#Question id: 33461

#Unit 1. Molecules and their Interaction Relevant to Biology

Which positions in the purine ring of a purine nucleotide in DNA have the potential to form hydrogen bonds but are not involved in Watson-Crick base pairing?

TLS Online TPP Program

#Question id: 33462

#Unit 1. Molecules and their Interaction Relevant to Biology

What is order of relative solubilities in water (most soluble to least soluble) of Deoxyribose, Guanine, Phosphate

TLS Online TPP Program

#Question id: 33463

#Unit 1. Molecules and their Interaction Relevant to Biology

What will be the weight in grams of a double-helical DNA molecule stretching from the Earth to the moon (320,000 km). The DNA double helix weighs about 1x10^-18 g/1,000 nucleotide pairs.

TLS Online TPP Program

#Question id: 33464

#Unit 1. Molecules and their Interaction Relevant to Biology

A=T Minor groove in DNA molecule show chemical information as

TLS Online TPP Program

#Question id: 33465

#Unit 1. Molecules and their Interaction Relevant to Biology

GC Minor groove in DNA molecule show chemical information as