Answer:
Fixation
Explanation:
The majority of nitrogen is fixed by bacteria which are symbiotic with plants which are converted to biologically useful forms by specialized bacteria. This occurs in two steps:
- bacteria convert ammonia in to (nitrites) NO₂,
- bacteria species convert it to NO₃ (nitrate).
Nitriates are a form of nitrogen that is usable by plants. It is assimilated into plant tissue as protein. The nitrogen is passed through the food chain by animals that consume the plants, and then released into the soil by decomposer bacteria when they die.
Answer:
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Answer:
Integrins.
Explanation:
Integrins may be defined as the important protein that helps in the attachment of cell cytoskeleton to the extracellular matrix. These proteins play an important role in the cell communication.
The signals and the communication occurs between the cell and the extracellular matrix. They work as the adhesion receptor for the different extracellular ligands and transfer the biochemical signal in the cell by using the downstream effector protein. Hence, they can transmit the information between inside and outside of the cell.
Thus, the answer is integrin.
Explanation:
blood is carried through the body via blood vessel. An artery is a blood vessel that carries blood away from the heart, where it branches into ever smaller vessels.