Answer:
Membrane receptors are activated when a certain chemical attaches itself to the receptor. The receptor opens up and allows certain ions in through it's receptor channel into the cell (sodium, potassium, etc.) When an increased amount of sodium enters the cell, the cell depolarizes
Explanation:
The correct answer is Agronomy.
Agronomy is a branch of agriculture science which deals in crops and the related soils. It is actually integration of many sciences. How to grow crops effectively and profitably without damaging environment and judicious use of natural resources are dealt in agronomy. Agronomy also develops techniques for the better use of soil and increase the food production.
Answer:
Metabolism (pronounced: meh-TAB-uh-liz-um) is the chemical reactions in the body's cells that change food into energy. ... Specific proteins in the body control the chemical reactions of metabolism.
The answer is A
If not then its C
