There are two extreme states of bilayer lipids choose which of the following is correct  

1.In the liquid- ordered (Lo) state, polar head groups are non uniformly arrayed at the surface, and the acyl chains are nearly motionless and packed with irregular

2.in the liquid- ordered (Lo) state, polar head groups are uniformly arrayed at the surface, and the acyl chains are nearly motionless and packed with regular

3.In the liquid-disordered (Ld) state acyl chains undergo much thermal motion and have regular organization.

4.In the liquid-disordered (Ld) state, acyl chains undergo much thermal motion and have no regular organization.

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#Question id: 275

#Unit 1. Molecules and their Interaction Relevant to Biology

What is the approximate diameter of a chromatin fiber?

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#Question id: 796

#Unit 1. Molecules and their Interaction Relevant to Biology

Which statement best describes the distinction between the purposes of the two RNAi pathways within the eukaryotic cell?

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#Question id: 19877

#Unit 13. Methods in Biology

A recombinant DNA molecules is produced by

a) by cutting DNA from two source

b) Joining of two or more DNA fragments from different organism 

c) Joining of two or more DNA fragments originating from different organisms

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#Question id: 18900

#Unit 13. Methods in Biology

Which statement is correct regarding ratio of half-life of radioactive material to its mean life?

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#Question id: 3917

#Unit 3. Fundamental Processes

For an RNA hairpin loop to form, the transcribed region of the DNA sequence must __.