________ received a Nobel Prize in 1964 for determining the structure of vitamin B12. He/she also solved the structure of penicillin in 1947 and developed many techniques used in the study of large proteins.

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#Question id: 1094

#Unit 4. Cell Communication and Cell Signaling

Not all intercellular signals require transduction. Which one of the following signals would be processed without transduction?

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#Question id: 565

#Unit 1. Molecules and their Interaction Relevant to Biology

A transition-state analog:

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#Question id: 12585

#Unit 10. Ecological Principles

Agricultural lands frequently require nutritional supplementation because

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#Question id: 24177

#General Aptitude

Most common weed killers work by poisoning the root of the plant.

TLS Online TPP Program

#Question id: 7767

#Unit 5. Developmental Biology

How can evolution select for phenotypes that postpone reproduction or sexual maturity?” There is often a trade-off between reproduction and maintenance, and in many species reproduction and senescence are closely linked. Recent studies of mice, Caenorhabditis elegans, and Drosophila suggest that there is a conserved genetic pathway that regulates aging and that it can indeed be selected for. This pathway involves the response to insulin and insulin-like growth factors, Name of these transcription factors are