A. climate, because temperature and precipitation are directly related to how dry or fertile soil is
Answer: Microorganism activity affects soil acidity and the amount of organic matter in soil. It also affects the nutrient and mineral levels in soil as well as soil structure.
Explanation:
Characteristic of the Vessel elements of Angiosperms
Answer:
Self-antigens are not recognized and attacked by the T cells.
Explanation:
In immunology, the antigens are those substances which are bound by the antibodies. The antigens can be originated from within the bodies, known as self antigens or from outside the body, known as non-self antigens. The immune system identifies and attacks non-self invaders or the foreign harmful objects present in the body. It does not attack the self-antigens under the normal conditions. This is due to the negative selection of T cells of the thymus.
They type of RNA that does this is mRNA, messenger RNA, hence the name, it provides the message or particular genetic sequence that has been transcribed from DNA to the ribosome for which the synthesis of the polypeptide can occur.
