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.
Answer:
Fatty acids are long chain carboxylic acids, they contain the carboxyl, COOH, functional group. The general formula for a fatty acid is R-COOH where R represents a long hydrocarbon chain. If the hydrocarbon chain, R, contains only single bonds between the carbon atoms, the fatty acid is said to be saturated.
The answer is Sold radiation
The correct answer is letter a. herbivores feed on low-lying plants. Organisms that live in the rainforest have developed unique adaptations that aid in their survival just like <span>herbivores feed on low-lying.</span>
Here are the choices
<span>a.
herbivores feed on low-lying plants
b.
birds have beaks adapted to break open hard shells
c.
insects have a widely-varied diet
d.
plants are able to store water in their leaves</span>