(1100x) 4.1.c. cyanobacteria 3. Examine the photomicrograph on the right, taken
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Question
(1100x) 4.1.c. cyanobacteria 3. Examine the photomicrograph on the right, taken using an oil-immersion objective, the highest practical magnification of a light microscope. (The final magnification is 770x.) (a) Based on your observation, identify the kingdom to which the organism belongs. (770x) (b) Justify your answer 4. Observe the photomicrograph on the right of arn organism that was found growing symbiotically within the leaves of the water fern Azolla. (a) What is the common name given to an organism of this type? Give the name and function of the cell depicted by the line. (b) (432x) 63Explanation / Answer
Answer
A-Given image is a Cyanobacteria belongs to the kingdom Eubacteria. Cyanobacteria commonly known as blue-green algae. These bacteria are intermediate evidence of plant and bacteria.
B- Cyanobacteria are unicellular or filamentous structure, which contain flattened sacs of thylakoids membrane. They were help in preforming photosynthetic and respiration as in plants. It can fixed oxygen like a plant. Some of these bacteria have nitrogen fixing capability. Cyanobacteria are non motile but some have hormogonia for their movement. They were float in water with the help of gas vesicles. They have endosymbiosis relation with lichens, plants, sponges etc.
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