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In Drosophila, the anterior determinant Bicoid is known to activate expression of the gene hunchback in the anterior half of the embryo. (Bicoid is a transcription factor, which binds to the promoter of the hunchback gene and stimulates transcription.) The gene chapeau is also activated by Bicoid, but requires higher levels of Bicoid to activate its expression than the hunchback gene requires. Where would you predict chapeau mRNA would be observed in a wild-type embryo?
a) Throughout the embryo
b) In the anterior half of the embryo
c) In the anterior quarter of the embryo
d) In the anterior ¾ of the embryo
e) In the posterior half of the embryo
f) In the posterior quarter of the embryo
Give an example of how a functional group can affect the elements of an organic compound. The hydroxyl group on alcohols is polar and this produces alcohols polar compounds.
what is taxonomy
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When the standard free energy of a reaction is -5.7 kj/mol then at equilibrium a- there will be 10 times more products than reactants b-there will be 10000 times more product
how many arrs are present in mataphasic telocentric chromosomes
The following progeny genotypes were observed: 73 AaBb, 64 aabb, 279 Aabb, 303 aaBb. Using a chi-square test, test whether these two loci show independent assortment? How would
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