When the two hydrogen atoms bond with the oxygen, they attach to the top of the molecule rather like Mickey Mouse ears. This molecular structure gives the water molecule polarity, or a lopsided electrical charge that attracts other atoms.
Answer: Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract.
Explanation: It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach.
Answer:
none of the answers
Explanation:
the answer is supposed to be catabolism
Answer:
A Proteins combine to produce cells, which produce DNA. B Proteins are made up of DNA, which determines the cells that are produced. C DNA is made up of proteins, which tell a cell how to function.
Explanation: