Mean of 200 observations was found to be 90. However, when the observations were being made, two observations were wrongly taken as 15 and 80 instead of 40 and 87. Then the correct mean is

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#Question id: 23680

#Unit 13. Methods in Biology

Who won the Nobel Prize in 1993 for his work on site-directed mutagenesis?

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#Question id: 15522

#Unit 4. Cell Communication and Cell Signaling

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

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#Question id: 13116

#Unit 2. Cellular Organization

In chloroplast, the site of coupled oxidation-reduction reactions is the

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#Question id: 16492

#Unit 12. Applied Biology

Upstream elements on the other hand regulates the activity of gene action are

A. Enhancer sequences

B. Silencer sequences

C. Termination sequences

D. Signal sequences

Mark the option with correct combination

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#Question id: 1701

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of superantigens?