9 Cell # 1 is a plant cellCell#2 is a bacteria or bacteriumCell #3 is an animal cell
10 Cell TheoryThe cell the theory states that all organisms are made of cells.The cell is the basic unit of life.All cells come from other cells.
11 Mitochondria and chloroplasts are energy-producing organelles Mitochondria and chloroplasts are energy-producing organelles. They are surrounded by two membranes.Ribosomes are the sites where amino acids are linked together to form proteins. Ribosomes are not covered by a membrane.
12 All cells have a cell membrane, DNA, cytoplasm, and organelles. Most cells are too small to be seen with the naked eye.The surface-to-volume ratio is a comparison of the cell’s outer surface to the cell’s volume.A cell’s surface-to volume ratio decreases as the cell grows.There are three basic types of cells: eubacteria, archae-bacteria, and eukaryotes.
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