Answer: Cells typically receive signals in chemical form via various signaling molecules. When a signaling molecule joins with an appropriate receptor on a cell surface, this binding triggers a chain of events that not only carries the signal to the cell interior, but amplifies it as well.
Explanation:
<span>The question says, the tendency of water molecules to attract one another due to polarity is called .....................The correct answer is Cohesion. Cohesion is the attraction of water molecules to one another while adhesion is the attraction of water molecules to other substances. Cohesion of water molecules occurs as result of charge differences between the molecules of water.</span>
The primary function of chloroplasts is to convert sunlight, water, and carbon dioxide into food for the plant. Also, chloroplasts is where chlorophyll is produced, and it is the pigment that gives plants their green color.
Answer:
They are called covalent bonds.
Explanation:
I just went through the lesson.