Several of the different globin genes are expressed in humans, but at different times in development. What mechanism could allow for this?

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#Question id: 20982

#Unit 12. Applied Biology

Which is considered as the most recalcitrant of the BTEX compounds, and of greatest regulatory concern because of its associated health impacts?

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#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

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#Question id: 23912

#Unit 1. Molecules and their Interaction Relevant to Biology

A significant effect of climate change on account of global warming of terrestrial plants will be on:

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#Question id: 19277

#Unit 9. Diversity of Life Forms

which of these statements correctly describes a portion of the pine life cycle? 

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#Question id: 26930

#Unit 10. Ecological Principles

Species can coexist harmoniously in which resource separation ratio d/w?