Answer:
The 'cell membrane' also known as the plasma membrane or cytoplasmic membrane is a biological membrane that separates the interior of all cells from the outside environment. The cell membrane is selectively permeable to ions and organic molecules and controls the movement of substances in and out of cells
Explanation:
Answer: The answer is A. rare
Explanation:
Hope this helps
Answer:
If this is mitosis the answer is 12.
Molecules are the same element being held together by hydrogen bonds
compounds are different molecules being held together by different bonds
<h2>Answer:</h2>
Option B is correct.
B. shared; atoms
<h2>Explanation:</h2>
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
