We can represent atoms by listing the number of protons, neutrons, and electrons—for example, 2p+, 2n0, 2e- for helium. Which of the following represents the 18O isotope of oxygen?

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#Question id: 16786

#Unit 13. Methods in Biology

What is the median of 7.1, 3.2, 5.8, 8.9, 6.5, 10.2, 9, 12.5 

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#Question id: 1729

#Unit 4. Cell Communication and Cell Signaling

When a resting naive T-cell engages its specific MHC–peptide complex displayed on the surface of a fibroblast, it:

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#Question id: 24495

#Unit 3. Fundamental Processes

Which of the following step of splicing involves ATP

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#Question id: 11336

#Unit 10. Ecological Principles

Which of the following is NOT a prediction arising out of Wilson-MacArthur's -Theory of Island Biogeography?

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#Question id: 27393

#Unit 1. Molecules and their Interaction Relevant to Biology

In an exothermic reaction………a…….. and in endothermic reaction …………b………