In a DNA double helix each type of base forms a stable base pair with only one type of base. When bases on an RNA strand are involved in base pairing, which bases can form stable base pairs with more than one type of base?

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#Question id: 17997

#Unit 13. Methods in Biology

In RNA isolation, for protein free solution what will be the ratio at  nm

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#Question id: 17998

#Unit 13. Methods in Biology

Eukaryotic mRNA species are isolated by using

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#Question id: 18001

#Unit 9. Diversity of Life Forms

Where in an angiosperm would you find a megasporangium? 

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#Question id: 18002

#Unit 9. Diversity of Life Forms

What is the greatest threat to plant diversity? 

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#Question id: 18003

#Unit 9. Diversity of Life Forms

In a typical angiosperm, what is the sequence of structures encountered by the tip of a growing pollen tube on its way to the egg? 

1. micropyle 2. style 

3. ovary 4. stigma 

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#Question id: 18004

#Unit 9. Diversity of Life Forms

Which of the following flower parts develops into a seed?