In reptiles, birds, and mammals, mesoderm is made by invagination and involution into the

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#Question id: 2654

#XL - T Zoology

Regulation of the lac operon can be envisioned as regulation of enzyme synthesis by its

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#Question id: 3470

#XL - T Zoology

The alleles that cause uncles to care for nephews will spread, when cost value is 30, according to Hamilton’s Rule altruistic only only if the fitness benefit is

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#Question id: 2670

#XL - T Zoology

A protein that binds to the operator and blocks the RNA polymerase

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#Question id: 20253

#XL - P Chemistry

AB, A2 and B2 are diatomic molecules. If the bond enthalpies of A2, AB & B2 are in the ratio 1 : 1 : 0.5 and enthalpy of formation of AB from A2 and B2 is – 100 kJ/mol^–1. What is the bond enthalpy of A2.

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#Question id: 15407

#XL - S Microbiology

The end result of F factor mediated conjugation: