The radii of two solid iron spheres are 1 cm and 6 cm respectively.A hollow sphere is made by melting the two spheres. If the external radius of the hollow sphere is 9 cm, then its thickness (in cm) is

TLS Online TPP Program

#Question id: 757

#Unit 1. Structure and Function of Biomolecules

_______________ 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. Structure and Function of Biomolecules

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

TLS Online TPP Program

#Question id: 759

#Unit 1. Structure and Function of Biomolecules

The Watson and Crick structure of DNA refers to:

TLS Online TPP Program

#Question id: 760

#Unit 1. Structure and Function of Biomolecules

Which force can stabilize a DNA double-helix?

TLS Online TPP Program

#Question id: 761

#Unit 1. Structure and Function of Biomolecules

In a DNA double helix each type of base forms a stable base pair with only one type of base. When bases on an RNA strand are involved in base pairing, which bases can form stable base pairs with more than one type of base?

TLS Online TPP Program

#Question id: 762

#Unit 1. Structure and Function of Biomolecules

Regarding the sugar residues in nucleic acids, which, if any, of the following statements is incorrect?