Which of the following statements is TRUE regarding AP3 and PI (the protein products of APETALA-3 and PISTILLATA, respectively)?
A)Both AP3 and PI are involved in A activity.
B)Both AP3 and PI are involved in stamen and petal development.
C)Although both AP3 and PI are involved in B activity, these proteins never interact with one another.
D)AP3 and PI bind to one another to form a heterodimer.
E)Both AP3 and PI are involved in stamen/petal development, and these proteins bind to one another to form a heterodimer.

Question

Quizplus · Accepted Answer

Both AP3 and PI are involved in stamen/petal development, and they bind to one another to form a heterodimer. This complex is necessary for the induction of B activity, which controls the development of petals and stamens.

Which of the Following Statements Is TRUE Regarding AP3 and PI