Answer: Measures the antigen levels on the cell surface
Explanation: Fluorescence-Activated Cell Sorting. Fluorescence-activated cell sorting (FACS) measures the antigen levels on the cell surface quantitatively. Cells are dyed with a fluorescent antibody, then placed in a stream of liquid which passes the focus of a laser, and each cell emits light.
Answer:
Scale of temperature is a methodology of calibrating the physical quantity temperature in metrology. Empirical scales measure temperature in relation to convenient and stable parameters, such as the freezing and boiling point of water.
Answer: Blood loss regulation
Explanation:
Positive feed back is response of body in which there is an increase in the effect of small disturbance and the effect is intensified on a system. The magnitude of the effect increases.
In case of blood loss the body releases clotting factors that helps in preventing the body from severe blood loss.
The body releases clotting factors and these clotting factors tend to release more and more clotting factors that begins the process of blood clotting in vessels.
This is an example of positive feedback which acts as a life saving cascade.
Answer: a
Explanation: help future mothers or teens confused what is going on
