which of the following compound is resist to cleave by cytokinin oxidase and why?

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#Question id: 33912

#Unit 2. Cellular Organization

A. When a DNA molecule is negatively supercoiled, it is underwound. 

B. Any structural change involving DNA strand separation becomes more likely in negatively supercoiled DNA. 

C. Negative supercoiling makes establishment of left-handed Z-DNA in a segment of DNA 

D. The formation of plectonemic or solenoidal supercoils is favored as a means of negative supercoiling.

Find true and false

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#Question id: 2887

#Unit 2. Cellular Organization

Which of the following reasons has led to the evolutionary selection of an extra methyl group in DNA?

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#Question id: 12860

#General Aptitude

Through each vertex of a triangle, a line parallel to the opposite side is drawn. The ratio of the perimeter of the new triangle,thus formed, with that of the original triangle is

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#Question id: 19458

#Unit 13. Methods in Biology

How phase contrast and DIC microscopy are used to image live cells and unstained tissues?

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#Question id: 27673

#Unit 1. Molecules and their Interaction Relevant to Biology

Some statements regarding the Domain is given    

(a) Domains are formed by combinations of SS, SSS, motifs and connected by loops and turns

(b) They are highly conversed and may be common in most unrelated proteins

(c) They do not evolve

(d) Can not function Independently

Choose the incorrect of the following