Although bacteria can be seen without staining, not all of their characteristics can be visible. Thus, with staining one can see if the bacteria is gram positive or negative, the outer wall's or capsule's structure, the exact size and texture of the surface etc. Without staining, it would be very difficult if not impossible to differentiate between different bacteria types.
Fixing a bacteria allows the scientist to immobilize and preserve it. Thus a complex study can be performed over a longer period of time. The bacteria can also be preserved in order to be restudied at a later date.
Answer:
Following are the two advantages of endoplasmic reticulum in the cell.
1) Endoplasmic reticulum is an organelle of the cell which is responsible for the production of protein for the cell. This protein is sent to the Golgi apparatus where it is modified and then used by cell where it is needed.
2) Endoplasmic reticulum also helps in removing of toxic substances from the cell. If these toxic substances can't be removed, it causes harm to the cell.
Symbiosis...fungi exchange his nutrients and minerals from soil with solar energy from the plant
Please repost this question as a Spanish question next time. <span>Por favor vuelva a hacer esta pregunta como una pregunta en español la próxima vez. Thank you, gracias.</span>
Answer:
Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel. These primary producers form the base of an ecosystem and fuel the next trophic levels.
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