Answer:
a) is a way for a cell to give information about its activities.
Explanation:
Antigen processing and presentation is the process in which an antigen presenting cells expresses a peptide antigen on its cell surface in association with a classical class molecules
Answer:B.
It was used to prove that smoking causes health problems.
Explanation:
Answer:
Symbiosis is any type of a close and long-term biological interaction between two different biological organisms, be it mutualistic, commensalistic, or parasitic.
Explanation:
I have the definition in my notes.
In case of a Natural Disaster, taking the decision about who must receive the benefits of a donation is "a locus of authority".
<u>Option:</u> D
<u>Explanation:</u>
A locus of authority arises when questions are raised about who is accountable or under which jurisdiction anything falls. In the scenario of some health, law or environmental (natural disaster) emergency the central or state governments are responsible for releasing funds to rescue the region by providing basic needs like food, medical aids, etc.
This phase is very important for the head of nation because allocating fund is easy but in right hands is trick, so the authority to whom fund is handover for further processing via right channel and to targeted audience is uttermost priority, also in time.
