Double negative selection do not apply on which type of T-cells?

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#Question id: 23909

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following forest types is most widespread in India?

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#Question id: 19700

#Unit 13. Methods in Biology

Different leads are used to record ECG of humans, these leads can be either bipolar or unipolar. Which one of the following is NOT unipolar leads?

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#Question id: 26477

#Unit 2. Cellular Organization

Lac operon consist of

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#Question id: 43

#Unit 1. Molecules and their Interaction Relevant to Biology

If 10 g of ice at 0°C is converted to water at the same temperature, the change in entropy will be- (latent heat 80 cal/g

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#Question id: 24491

#Unit 3. Fundamental Processes

There are three type of Splicing signals 1. Major U2-type or GU-AG introns 2. Minor U12-type or AU-AC introns & 3. Minor U12-type with GU-AG introns (hybrid type), which of the following is responsible for the recognition of branch point sequence CCUUAACU