Shown Below Is a List of Molecules That Function in Drosophila

question 17

Essay

Shown below is a list of molecules that function in Drosophila development (a-g)and a list of possible distribution patterns (1-5).On the line following each distribution pattern,write the letter(s)of the molecule(s)showing that type of distribution pattern.
a)toll transmembrane receptor
b)hunchback protein
c)activated SPZ ligand
d)inactive DL protein
e)active DL protein
f)NOS protein
g)Bicoid protein
1)Highest gradient is in the anterior end of the embryo.__________
2)Highest gradient is in the posterior end of the embryo.__________
3)Highest gradient is at the ventral midpoint of the embryo.__________
4)This is distributed throughout the oocyte/embryo.__________
5)This is present uniformly in the oocyte plasma membrane.__________

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