Answer:
Cell surface receptors (membrane receptors, transmembrane receptors) are receptors that are embedded in the plasma membrane of cells. They act in cell signaling by receiving (binding to) extracellular molecules. They are specialized integral membrane proteins that allow communication between the cell and the extracellular space.
Explanation:
The expirement is saying show the circle of water
1.the water mocules move apart so it is a gas
2. when the water mocules build up in the cloud and the water relese
3. the rain freezes then meltes and starts all over to 1
Answer:
B. It washes minerals from the topsoil.
Explanation:
“leaching” refers to an agricultural process in which a liquid, typically water, percolates through the soil and drains it off soluble minerals, chemicals, and or nutrients. Leaching affects some soils more than others depending on factors like its soil structure and external environment.
It's both with and without sperm
