Which of the following statements regarding the Structural Maintenance Chromosomal proteins is correct?

A. The cohesins, along with a third protein, kleisin, are thought to form a ring around the replicated chromosomes.

B. Condensin binding causes the DNA to become underwound, in contrast to the overwinding induced by the binding of nucleosomes.

C. Cohesins are made up of pairs of Smc1 and Smc3 proteins, and condensins consist of Smc2-Smc4 pairs.

D. The primary structure of SMC proteins consists of three distinct domains.

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: 759

#Unit 1. Molecules and their Interaction Relevant to Biology

The Watson and Crick structure of DNA refers to:

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: 761

#Unit 1. Molecules and their Interaction Relevant to Biology

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. Molecules and their Interaction Relevant to Biology

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