Cells

• All living things are made of cells
• Organisms can be prokaryotic or eukaryotic
• Animal cells include a nucleus, cytoplasm, cell membrane, ribosomes, mitochondria
• Nucleus - contains genetic material that controls the activities of the cell
• Mitochondria - these are where most of the reactions for aerobic respiration take place. Respiration transfers energy that the cell needs to work
• Cytoplasm - gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions
• Cell membrane - holds the cell together and controls what goes in and out
• Ribosomes - these are where proteins are made in the cell
• Plant cells include a cell wall, chloroplasts, vacuole, nucleus, mitochondria, cytoplasm, cell membrane, ribosomes
• Cell wall - made of cellulose. It supports the cell and strengthens it
• Vacuole - contains cell sap, a weak solution of sugar and salts
• Chloroplasts - these are where photosynthesis occurs, which makes food for the plant. They contain a green substance called chlorophyll, which absorbs the light needed for photosynthesis
• Bacteria cells are a lot smaller that animal and plant cells
• Bacteria is a prokaryote
• Bacteria cells don't have a nucleus, they have a singular strand of DNA
• Bacteria cells include a cell membrane, cell wall, circular strand of DNA, cytoplasm, plasmid
• Bacteria don't have chloroplasts or mitochondria