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A gingival epithelial cell is attached to the basal lamina. Hemidesmosome
type of cell junction allows the cell to attach to the basal lamina.
Hemidesmosomes are very small stud-like structures found in keratinocytes of the epidermis of skin that attach to the extracellular matrix. They are similar in form to desmosomes when visualized by electron microscopy, however, desmosomes attach to adjacent cells.
Hemidesmosomes are also comparable to focal adhesions, as they both attach cells to the extracellular matrix. Instead of desmogleins and desmocollins in the extracellular space, hemidesmosomes utilize integrins. Hemidesmosomes are found in epithelial cells connecting the basal epithelial cells to the lamina lucida, which is part of the basal lamina.[2] Hemidesmosomes are also involved in signaling pathways, such as keratinocyte migration or carcinoma cell intrusion.
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it is widely discussed that the weather conditions have been changing and affecting human beings and nature. Scientists have documented different trends as greenhouse effects, disturbance in the patterns of precipitation, sea level rising, among others. All these climate trends have different effects on the environment such as increasing the average of earth temperature melting glaciers which makes the sea level to rise.
Although these trends have already been documented there are many predictions with their consecuenses for the same issues. For example, for the greenhouse gas concentrations the prdictions show that they will grow and make the oceans more acid and thearth humans life. On the other hand, patterns of precipitacion are expected to change from regions and seasons being the key global projection that the precipitations will increase the same as winds associated with storms. Finally, the sea level is expected to rise expanding the ocean water.
<u>Role of executive and legislative branch involved in selecting Supreme court justices:</u>
They play an interesting symbiotic role in the act of nominating Supreme Court Justices. The legislative is the Congress whereas the executive branch refers to the president. When creating a law, the legislative branch has the power to create whereas the executive can veto any law proposed by the legislation.
The roles switch for nominating however. While the president nominates the nominees for the position of Supreme Court Judges, but the Congress applies some checks and balances in order to approve the nominated candidates.
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