Unit 3 – Chapter 7 Cell Structure and Function – Flashcards
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Cell Theory
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1. All living things are made up of one or more cells.
2. Cells are the basic unit of structure and function in organisms
3. All cells arise from existing cells.
2. Cells are the basic unit of structure and function in organisms
3. All cells arise from existing cells.
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Cell Membrane
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Covers surface of the cell; acts as a barrier between the inside of a cell and a cells environment
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Cytoplasm
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Fluid filled region inside a cell
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Cytoplasm
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Fluid filled region inside a cell
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Ribosome
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Site of protein synthesis in a cell
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Cytoskeleton
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Network of protein filaments inside a cell that gives it shape and helps with movement
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Prokaryotic
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Type of cell that does not have a nucleus nor membrane bound organelles; bacteria cells
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Cell Wall
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Rigid structure that surrounds the cell membrane; found in prokayotes and plant cells
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Flagella
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Long hair-like structure on a cell which enables a cell to move
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Eukaryotic
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Type of cell that has a nucleus and membrane bound organelles; plant and animal cells
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Nucleus
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Controls the activities in a cell; contains the DNA
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Organelles
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Small structures in a cell with a specific function
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Cillia
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Hair-like structures on the surface of a cell
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Phospholipid
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A lipid that contains phosphorus; structural component of a cell membrane
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Lipid Bilayer
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Cell membrane composed of two layers of phospholipids
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Transport Protein
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Protein in the cell membrane that aids in the movement of substances in and out of a cell
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Receptor Protein
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Protein in a cell membrane which binds to a specific signal molecule causing the cell to respond
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Marker Protein
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Protein on the cell membrane that identifies a cell type
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Endoplasmic Reticulum
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Produces, processes, and transports proteins and lipids in cells
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Golgi Apparatus
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Makes and packages materials to be transported out of a cell
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Lysosomes
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Cell organelle that contains digestive enzymes
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Mitochondria
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Site of cellular respiration; produces energy
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Chloroplast
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Site of photosynthesis in plant cell
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Central Vaculole
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Large sacs found in plant cells which store water
