Answer:
D. the tendency of a cell to maintain a stable internal environment
Explanation:
Answer: Define Active transport
Explanation: The moving of molecules or ions across the cell membrane.
Hope this helps!
Answer: Thanks for the tips.
Explanation:
When atoms in a covalent bond share electrons unequally (one atoms pulls more than the other), the bond is said to be a polar bond is formed when electrons are unequally shared between two atoms. Polar covalent bonding occurs because one atom has a stronger affinity for electrons than the other (yet not enough to pull the electrons away completely and form an ion).
