Which of the following holds true for Introns 

a) Introns have negative Fold Potential i.e., potential to form stem loop

b) Introns have positive Fold Potential i.e., potential to form stem loop

c) Introns are nucleotide sequence which cannot encode functional proteins or polypeptides

d) Introns do not have a sequence-specific function.

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#Question id: 18868

#Unit 13. Methods in Biology

Prior to staining, which of the following is employed as a fixative in light microscopy?

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#Question id: 18869

#Unit 13. Methods in Biology

The pace at which light passes through objects in phase contrast microscopy is-

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#Question id: 18870

#Unit 13. Methods in Biology

Which element of the light microscope is in charge of regulating the amount of light that enters the viewing area?

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#Question id: 18872

#Unit 9. Diversity of Life Forms

Which of the following statements is true of archegonia? 

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#Question id: 18873

#Unit 9. Diversity of Life Forms

Bryophytes have all of the following characteristics except 

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#Question id: 18874

#Unit 9. Diversity of Life Forms

Plant spores are produced directly by