Answer:
<u>A chemical bond between the phosphate group of one nucleotide and the sugar of a neighboring nucleotide holds the backbone together. Chemical bonds (hydrogen bonds) between the bases that are across from one another hold the two strands of the double helix together.</u>
Explanation:
<span>It is likely that the hydrogen pump is not functioning properly. The hydrogen pump sends hydrogen ions through membranes. It is crucial in the production of ATP, or energy, which is the main product that the mitochondria makes. The functioning of the mitochondria is essential to the functioning of the cell.</span>
It is because it's surface area is responsible for the production of ATP molecules.
Juglar Vein
This vein drains blood from head to heart.
Sub-clavian Vein
This vein drain blood from shoulder to heart.
I think it might be Rainfalls? That’s just what I think might be the answer
