The shared properties of the two photosystems (I and II)with respect to protein composition and overall architecture suggest that __________.
A)both absorb exactly the same wavelength of light
B)all photosynthetic reaction centers have evolved from a common ancestral structure that has been conserved for a long time (more than 3 billion years)
C)all photosynthetic reaction centers have their own unique ancestor
D)all photosynthetic reaction centers have evolved separately within the last 100,000 years
E)all photosynthetic reaction centers evolved from unrelated structures

Question

Quizplus · Accepted Answer

The shared protein composition and overall architecture of both photosystems suggest that they have evolved from a common ancestral structure that has been conserved over a long period of time. This is consistent with the theory of evolution, which suggests that structures that perform similar functions often have a common ancestor.

The Shared Properties of the Two Photosystems (I and II)with