Which one of the following is function as endogenous regulators of polar auxin transport?

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#Question id: 29540

#Unit 6. System Physiology – Plant

Which of the following have inhibitory action against Salicylic acid

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#Question id: 2456

#Unit 2. Cellular Organization

If the activity of thymosin β4 was inhibited in fibroblasts, the overall effect would be:

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#Question id: 33417

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following sequester partially folded molecules from one another (and from extraneous interactions), allowing folding to proceed in an “Anfinsen cage”

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#Question id: 5754

#Unit 8. Inheritance Biology

A cell is exposed to EMS (a mutagen that causes guanine to mispair with thymine) and allowed to undergo a few rounds of DNA replication.  The mutational event caused by this mutagen will be

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#Question id: 12095

#Unit 10. Ecological Principles

It is now thought that the atmosphere of the primitive Earth was composed largely of carbon dioxide, nitrogen, and water vapor. The composition of certain iron-containing minerals suggests that the carbon dioxide began to be replaced by oxygen about 2 billion years ago.   Which of the following is the best explanation for the change in atmospheric composition?