Diatom Cell Diagram. Humans are multicellular organisms with various different types of. The cells of blue green algae lack mitochondria.
Pennate diatoms which developed later in the earths history are able to locomote in a slow gliding fashion in the direction of the length of the cell. In a few months there can be as much as a 60 percent decrease in average size. The cytoplasmic membrane is the site of biochemical functions normally associated with the well defined membranous organelles in eukaryotic cells.
Diatoms are photosynthetic organisms referred to as algae with a lengthdiameter of between 2 and graphs showing abundance of the diatom paralia sulcata in stratigraphic sections at the redtail and oyster localities niawiakum river 37 diagram of the diatoms are one of the largest and ecologically most significant groups of organisms on earth.
The lid and base of the box are known as valves which are connected by a girdle and the whole structure is known as a frustule. While much classification is based on variations in the symmetry of the silicaceous frustule much also depends upon the intricacies of pore structure and the arrangement of wall features such as raphes ocelli portulae. The diatom cell known as frustule is composed of two overlapping halves or valves very nicely fitted one upon the other like an old fashioned pill box or a pair of petri dish. The cells of blue green algae lack mitochondria.