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#Question id: 2799


There are five major types of histones in eukaryotic cells. One of these is not part of the structure of nucleosomes and is thought to participate in forming the 30-nm condensed chromatin fiber. Which histone is this?

#Zoology
  1. H1    

  2. H2A and B  

  3. H3   

  4. H4


Answer:- Option(s): 1


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#Question id: 38802

#Plant Biotechnology

Q. Which of the following statements best explains the limitation of meristem culture for producing virus-free plants?

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#Question id: 38803

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Q. Arrangement of flowers on the floral axis is

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#Question id: 38804

#Plant Biotechnology

Q . What is the primary biological principle that allows thermotherapy to work for virus elimination? 

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#Question id: 38805

#Plant Biotechnology

Q. Which of the following is a significant drawback of using thermotherapy on whole plants?

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#Question id: 38806

#Plant Biotechnology

Q. Thermotherapy is noted to be effective against which specific types of pathogens? 

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#Question id: 38807

#Plant Biotechnology

Q. Why might a plant that survives thermotherapy be at a disadvantage later on?

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