We will first observe the cyanobacteria Gloeocapsa, which contains blue-green pigments that are used for photosynthesis. Cells of Gloeocapsa are surrounded by a thick, gelatinous sheath that holds the cells together in a colony. ... Eukaryotic cells contain structures called organelles, including a membrane-bound nucleus.

What is the structure of Gloeocapsa?

Gloeocapsa may be unicellular or made up of small groups of cells grouped within concentric mucilage envelopes. The individual colonies are usually spherical, microscopic, and enclosed within larger masses of mucilage. The cells are oval-shaped or ellipsoidal, and hemispherical after dividing.

Which is found in Gloeocapsa?

Gloeocapsa magma is a gram negative, cocci shaped cyanobacteria that tends to cluster in groups [6]. It is green in color and known for its use of this green pigment called chlorophyll, located in thylakoids, as a photosynthetic pathway. The only organelles in the cytoplasm of these bacteria are ribosomes.