The answer is; cell surface receptors that are recognized as antigens by the recipient's immune system.
Therefore the organ is attacked as a foreign substance . This is why organ transplants are given by the closest family member to reduce the antigen variability that causes transplant rejection. Tissue typing is done to ensure that the organ or tissue is as similar as possible to the tissues of the recipient.
I’m pretty sure it’s the permBain era
Answer:
Water is polar and oil is nonpolar so the substances won't mix.
Explanation:
Water is polar covalently bonded within the molecule. This unequal sharing of the electrons results in a slightly positive and a slightly negative side of the molecule. oils are nonpolar, so they will remain separate from molecules of a polar solvent such as water.
<span>The general sense found in the skin are:
a. Tactile - simply called the sense of "touch"
b. Pressure - a heavy touch (receptors for both tactile and pressure are called mechanoreceptors)
c. Temperature - the skin determines whether the environment is hot or cold (Thermoreceptors)
d. Pain - when the tissue is damaged
e. Vibration </span>
