Answer: B. They allow for specific substance to travel throughout the cell.
Explanation: I know this because carrier proteins and channel proteins are some types of embedded proteins.
Answer:
I'll be your friend, and 2-2 is inevitably 0.
Explanation:
Answer:
C
Explanation:
It is known as lactation. The suckling action of an infant produces prolactin, which leads to milk production; more suckling leads to more prolactin, which in turn leads to more lactation. This is a positive feedback system as the product (milk) produces more suckling and more hormone. When the child is no longer breast feeding, the prolactin drops off and milk production goes down.
<span>A sequence of organisms through which energy is transferred, beginning with the primary producer, is a "Food Chain"
Hope this helps!</span>
