The sense of 'smell' was not directly tested, only whether orientation preference was noted. If different brands of pens were tested the outcome might be different. All of the above are correct. The chloroplasts of Chlorophyta are most closely related to those of angiosperms. No accessory pigments are found in photosynthetic cyanobacteria.
Carotenoids are uniquely present in the true plants.
None of the answers above are true. In the year 2046, NASA sends Biology 122 Graduates from Purdue to conduct experiments on the photosynthetic pigments of Martian plants. Station A . None of the above are correct. The cell is from a plant and located in the shoot meristem or root tip.