Karan remembers that his sister's birthday is not   after 18th August. Karan's mother remembers that Karan's sister birthday is before 20th August but after 17th August. On which date of August is Karan's sister birthday

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#Question id: 2072

#Unit 2. Cellular Organization

Which of the following structures would decrease the electrochemical gradient across a membrane?

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#Question id: 18961

#Unit 13. Methods in Biology

When a cDNA library is generated by first removing those mRNA or cDNA sequences that are common to two sources, e.g., two different Cell types, such a library is called 

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#Question id: 23230

#Unit 2. Cellular Organization

What is the arrangement of filament in flagella which allows it to move?

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#Question id: 11703

#Unit 7. System Physiology – Animal

A female athlete who took testosterone-like steroids for several months stopped having normal menstrual cycles. What is the best explanation for this observation?

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#Question id: 12463

#Unit 10. Ecological Principles

Which of the following is primarily responsible for limiting the number of trophic levels in most ecosystems?