Appriximately longitudinal section of the unicellular alga Chlamydomonas reinhardtii showing one of the paired flagella, and the spherical nucleus surrounded by the single cup-shaped chloroplasts cont...

The single chloroplast of the unicellular alga Chlamydomonas reinhardtii contains an orange carotenoid pigment spot that functions in phototaxis. The 'eyespot' is seen in this 250 nm epon section imag...

The single chloroplast of the unicellular alga Chlamydomonas reinhardtii contains an orange carotenoid pigment spot that functions in phototaxis. The 'eyespot' is seen in this 250 nm epon section imag...

The single chloroplast of the unicellular alga Chlamydomonas reinhardtii contains an orange carotenoid pigment spot that functions in phototaxis. The 'eyespot' is seen in this 250 nm epon section imag...

The unicellular alga Chlamydomonas reinhardtii has a pair of anterior flagella that function in motility. In this image, the base of the flagella with basal bodies and associated structures are are cu...

Cells of the symbiotic prochlorophyte Prochloron didemni were separated from its ascidian partner, thylakoids isolated, treated to liberate chlorophyll-containing complexes, and negatively stained pre...

Cells of the symbiotic prochlorophyte Prochloron didemni were separated from its ascidian partner, thylakoids isolated, treated to liberate chlorophyll-containing complexes, and negatively stained pre...

Cells of the symbiotic prochlorophyte Prochloron didemni were separated from its ascidian partner, thylakoids isolated, treated to liberate chlorophyll-containing complexes, and negatively stained pre...

Cells of the symbiotic prochlorophyte Prochloron didemni were separated from its ascidian partner, thylakoids isolated, treated to liberate chlorophyll-containing complexes, and negatively stained pre...