1. DNA uses only four different kinds of nucleotides. How can only four nucleotides code for all the different kinds of genes that are found in different living things? 2. You look at a cell under a...

1. DNA uses only four different kinds of nucleotides. How can only four nucleotides code for all the different kinds of genes that are found in different living things?

2. You look at a cell under a microscope and discover that the cell has mitochondria and chloroplasts. Is the cell a eukaryotic cell or a prokaryotic cell? Is the cell from a plant or from an animal? Defend your answers.