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Chapter 7 Vocab LB.

Bio/Chemistry

TermDefinition
Cell The basic units of living organisms.
Cell Theory All organisms are composed of one or more cells.
Compound Light Microscope Use a series of lens to magnify objects.
Electron Microscope Uses a beam of electrons.
Eukaryote Are made up of eukaryote cells.
Nucleus The central membrane bound organelle that manages or controls cellular functions.
Organelle Small, specialized structures.
Prokaryote Don't have membrane bound organelles.
Fluid Mosaic Model The model of the plasma membrane.
Phospholipid Has a glycerol backbone, two fatty acid chains, and a phosphate group.
Plasma Membrane The flexible boundary between the cell and its environment.
Selective Permeability A process in which a membrane allows some molecules to pass through while keeping others out.
Transport Proteins Move needed substances or waste materials through the plasma membrane.
Cell Wall A fairly rigid structure located outside the plasma membrane that provides additional support and protection.
Chlorophyll Traps light energy and gives leaves and stems their green color.
Chloroplast Cell organelles that capture light energy and convert it to chemical energy
Chromatin Strands of the genetic material, DNA.
Cilia Short, numerous projections that look like hairs.
Cytoplasm Clear, gelatinous fluid inside a cell.
Cytoskeleton Provides support and structure for the cell.
Endoplasmic Reticulum The site of cellular chemical reactions.
Flagella Longer projections that move with a whip-like motion.
Golgi Apparatus Flattened stack of tubular membranes that modifies the proteins.
Lysosome Organelles that contain digestive enzymes.
Microfilament Smaller, solid protein fibers.
Microtubule Thin, hollow cylinders made of proteins.
Mitochondria Membrane-bound organelles in plant and animal cells that transform energy for the cell.
Nucleolus Makes ribosomes,
Plastid Used for storage.
Ribosome Sites where the cell produces proteins according to the directions of DNA.
Vacuole A temporary storage of materials.
Created by: LoganBender
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