Answer: This is because all of the cells in our bodies start from a single fertilized egg. With few exceptions, all cells in a person's body have the same DNA and genes. As cells divide and grow different genes are expressed, resulting in different cell types.
Answer:
D. A product.
Explanation:
The water can't be an enzyme, catalyst or reactant because it was not present before or during the reaction. It was only present after the reaction, so it is a product.
The number of electrons determines if the atom is positive, negative or neutral
They are located near the edge of the retina.
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