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.

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#Question id: 22961

#Unit 7. System Physiology – Animal

What is the receptor class of the calcium-sensing receptors in the parathyroid gland?

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#Question id: 4966

#Unit 11. Evolution and Behavior

If it were possible to conduct sophisticated microscopic and chemical analyses of microfossils found in 3.2-billion-year-old stromatolites, then within such microfossils, one should be surprised to observe evidence of:

I. double-stranded DNA

II. a nuclear envelope

III. a nucleoid

IV. a nucleolus

V. nucleic acids

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#Question id: 4758

#Unit 8. Inheritance Biology

The allele l in human population is recessive lethal and x chromosome linked. If a female is heterozygous for l allele marries with normal male. What will be interpretation correct?

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#Question id: 4555

#Unit 3. Fundamental Processes

The σ54-RNA polymerase binds to the glnA promoter but does not melt the DNA strands and initiate transcription until it is activated by

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#Question id: 26842

#Unit 10. Ecological Principles

Based on the intermediate disturbance hypothesis, a community’s species diversity is increased by