Answer:
The CTL has specific receptors that can recognize infected or damaged cells.
Explanation:
The cytotoxic T cells (CTL) is a type of white blood cells that specifically helps in destroying virus-infected cells (also damaged cells and cancer cells).
This type of cells has a special receptor called T-cells receptors (TCR) which ones recognize specific antigens (molecule that stimulate the immune systems because are “strange” to them). Virus inside a cell could bind to a special molecule called class I MHC, this molecule moves the virus to the surface of the cell where it can be recognized by a CD8+ specific antigen-receptor of the CTL.
Answer:
There are over 60, 000 species if trees; however, there are 101 different tree types.
Explanation:
Globally its over 60,065 species of trees but the question asked how many different types of trees are there and the answer is 101 according to www.homestratosphere.com
Answer:
Food web
Explanation:
food web:
a system of interlocking and interdependent food chains.
Since the sperm cells are haploid, the body cells are diploid. If the haploid cell is 4, double it would be 8.
Bats are able to do that . Hope this helps!!!!
