Explain the function of receptors and their location(s) in the cell.

Function: Cell signalling; Location: Cell membranes

Explanation:

Receptors are usually trans-membrane proteins located on cell membranes. Their extracellular part transmits chemical signals from outside the cell into the intracellular where a response is induced.

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.