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:
Answer:
The pattern of growth in which the child is able to control the head and neck before the arms and legs is known as Cephalocaudal Growth.
Explanation:
Cephalocaudal Growth.
This type of growth pattern happens with the humans when they are infants, where fastest growth takes place at the upper part of the body which includes, head. Then the growth started with the gradually lower parts like neck, shoulder etc.
They are buried in the core of the structure.
The seed plants are survivors.
