Pengaruh Perioditas Cahaya Berbeda Terhadap Pertumbuhan Spirulina Sp.

Spirulina sp. is an autotrophic organism that is bluish green in color consisting of cylindrical cells that form colonies where the cells are cavities - the cavities form twisted filaments that resemble a spiral (helix) and are also called filamentous blue green algae. One of the factors that influence the density of Spirulina sp. is the periodity of light because it has an important role i…