Mougeotia with plate-shaped Chloroplast |
a. Epistrophe Position (weak light intensity); b. with increased light intensity the chloroplast rotates from the epistrophe to the oblique position. The figure shows that the chloroplast is not a rigid plate that rotates as a whole, in the left part the rotation is complete, in the right part it has not yet started.c. Oblique Position (at high light intensity) (W. HAUPT).