Weather is short period climate is over a period of years
I believe the answer your looking for is they hang upside down all the time this is one of their survival skills! Hope this helps!
Octopus and squid have chemoreceptors on their tentacles. The correct option is the third option.
The correct answer is that "the T cell enters a state of anergy".
The activation of T cells requires two signals: (1) antigen specific signal presented by an antigen presenting cell (either a macrophage or a dendritic cell) that activates t cell receptors and (2) co-stimulatory signals that is not antigen specific but rather found in the plasma membrane of the antigen presenting cell (i.e. CD28). In the absence of a co-stimulatory signal, the t cell will enter a state of anergy or the inability to produce an immune response toward an offending antigen.
Is there a list to pick from
