Answer:
interleukin-2 (IL-2) is an interleukin, a type of cytokine signaling molecule in the immune system. It is a 15.5–16 kDa protein[5] that regulates the activities of white blood cells (leukocytes, often lymphocytes) that are responsible for immunity. IL-2 is part of the body's natural response to microbial infection, and in discriminating between foreign ("non-self") and "self". IL-2 mediates its effects by binding to IL-2 receptors, which are expressed by lymphocytes. The major sources of IL-2 are activated CD4+ T cells and activated CD8+ T cells
Explanation:
One way streets have unique features including all vehicles pointing in one direction. The street also has no yellow center line marks. A one way street is a street that has either a one way traffic or designed to direct vehicles in one direction and that is why it has those features.
I think the correct answer from the choices listed above is option b. A permeable rock weathers easily because it <span>contains many small, connected airspaces. Its porosity is very high that it can easily be destroyed by simple means. Hope this answers the question.</span>
I... I didn't remember much
I just seen her dead in there...
It definitely stood out
I remember her smell and her touch
The way she used to talk to me
It all hurts so much now
How could I waste so much time on someone who doesn't even love me?
In the end all the time I spent, it's all pointless
Now I feel like I don't even wanna live anymore
Save me