When the four blastomere pairs of the 8-cell embryo are dissociated, each forms the structures it would have formed had it remained in the embryo, that means it undergoes to-

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#Question id: 15656

#SCPH06 I Botany

You are studying a new strain of E. coli that can utilize the disaccharide melibiose very efficiently. You find that utilization depends on the enzyme melibiase, which is encoded by the gene Mel1. Mel1 is not expressed unless melibiose is present in the growth medium. Explain the two regulatory pathways for Mel1 that can explain the behavior of the MelA– and MelB– mutations. For each regulatory pathways what is a role for the inducer melibiose?

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#Question id: 9191

#SCPH28 | Zoology

When an arborist prunes a limb off a valuable tree, he or she usually paints the cut surface. The primary purpose of the paint is to

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#Question id: 10789

#I Life Science/ Life Sciences Group – I-V

Trans-cinnamic acid, p-coumaric acid, and their derivatives are simple phenolic compounds known as

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#Question id: 14699

#SCPH06 I Botany

If A and B are arbitrary events, then

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#Question id: 19632

#SCPH05 I Biotechnology

For the reversible reaction

N2 (g) + 3H2(g) ⇋ 2NH3 + Heat

The equilibrium shifts in forward direction