Cell membrane - controls what leaves and enters the cell; maintains homeostasis, Vacuole - organelle that holds water; particularly large in plant cells, Homeostasis - regulation of conditions within a cell which allows for stable equilibrium, Virus - tiny non-living structure that depends on a host cell to reproduce, Host Cell - a particular type of cell that is targeted by a virus for reproduction, Diffusion - the tendency of a substance to move from a higher concentration to a lower concentration, Active Transport - movement of a substance across a cell membrane requiring the use of energy, Mitochondria - organelle responsible for breaking down food into energy, Cytoplasm - suspends organelles in a eukaryotic cell; enclosed by the cell membrane, Nucleic Acids - a biological molecule, such as DNA or RNA, that contain genetic coding, Cell Wall - supports and protects cell membrane in plant cells, Chloroplast - contains chlorophyll for photosynthesis in plant cells, Passive Transport - diffusion of a substance across a cell membrane requiring no energy, Hypotonic - solution with a relatively lower solute concentration (such as salt), Prokaryotic - simple cells without organelles, Hypertonic - solution with a relatively higher solute concentration (such as salt), Organelles - specialized functional bodies within the cytoplasm of a cell, Nucleus - controls the cell’s activities; contains the cell’s DNA, Eukaryotic - complex cells containing organelles with specific functions,

Day 1 Review: Cell Structure and Function

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