The major histocompatibility complex (MHC<span>) is a set of cell surface proteins essential for the acquired immune system to recognize foreign molecules in vertebrates, which in turn determines histocompatibility. ... The human </span>MHC<span> is also called the </span>HLA<span> (human leukocyte antigen) complex (often just the </span>HLA<span>).</span>
Precipitation.....................
It protects the seed until it matures!
<em><u>Earth's rotation is the rotation of Planet Eartharound its own axis. Earth rotates eastward, in prograde motion. ... The South Pole is the other point where Earth's axis of rotationintersects its surface, in Antarctica.</u></em>