Around the ages 9-14. On average, 12 is the average age.
Answer:
atoms
Explanation:
Atoms of different elements can combine to make new substances. A molecule is formed when two or more atoms join together chemically. If atoms combine that are of two or more different elements, we call that a compound.
One cell can divide into two new cells. This is called mitosis. The process of cell division goes through various stages. First the cell nucleus divides into two. A new cell surface membrane then severs the cell divides. The two new cells are called daughter cells and they are small. They will grow larger. they grow by getting nutrients from the food that is eaten. Once they grow to full size they can also reproduce or divide. If cells divide more quickly than they should, or divide in the wrong way, diseases may develop.
I therefore, think all your answers are correct.
Answer:amino acids
Enzymes are proteins, meaning they are made of amino acids. There are 20 different types of amino acids. Each type of amino acid is defined by what is called its side group. Amino acids link together to form long chains called polypeptides
Explanation:
