Positive selection tests to see if the TCR of a T-lymphocyte can recognize and bind to an MHC molecule.
<h3>What is a T-lymphocyte?</h3>
A T-lymphocyte is a special type of immune cell that is generated inside the bone marrow.
The T-cell receptor (abbreviated as TCR) is a protein located on these immune T lymphocytes.
In conclusion, Positive selection identifies if the TCR of a T-lymphocyte can recognize and bind to an MHC molecule.
Learn more about T-lymphocytes here:
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During the water cycle some of the water in the oceans and freshwater bodies, such as lakes and rivers, is warmed by the sun and evaporates. During the process of evaporation, impurities in the water are left behind. As a result, the water that goes into the atmosphere is cleaner than it was on Earth.
Answer:
B. The Edict of Milan helped spread Christianity by allowing all religions in Rome.
D. He believed that locating the capital in an area that had more trade and business would ensure the future of the empire.
Explanation:
The great achievement of reign of Constantine is the Edict of Milan that helped in spreading of Christianity in Rome. He was the first roman emperor which profess the religion of Christianity in the year 313. This proclamation legalized the Christianity religion and allowed all people of Rome the freedom of worship throughout the empire. Constantine move the capital of the Roman Empire because he wanted that the capital will become the economic, cultural hub and center of the east.
They respire and give off c0^2
