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Cell Anatomy

BIO 168 Anatomy&Physiology chapter 3

TermDefinition
Nucleosis At the center of the nucleus, the creation point of ribosomes
Nucleus The Control Center of Eukaryotic cels; contains DNA
Eukaryotic Cells Advanced cells found in plants and animals; has nucleus&membrane-enclosed organelles
Organelle "Small Organ" ; structures within a eukaryotic cell that carries out specific functions
Lysosome the "garbage collector" of a cell; filled with enzymes that break down damaged or unusable debris
Endoplasmic Reticulum An enclosed membrane pathway for transporting materials such as proteins
Golgi Apparatus Site of customization for synthesized proteins
Cilia Hair-like projections that beat in waves to move particles and debris along pulmonary tissue
DNA Dictates what a cell will do, when it will do it
Chromatin Tangled web of DNA found inside the nuclear membrane
Chromosome Condensed structure of DNA, carries genetic material during cell division
Ribosomes Organelles that synthesize Protein
Cytoplasm Jelly-like substance that fills cell membranes excluding the nucleus
Flagella Tail-like structure providing locomotion to cells; found on bacteria and sperm cells
Cytoskeleton The cellular skeleton; composed of microfilaments and microtubules
Microtubules A series of tubes that is not the internet
Free ribosomes Ribosomes that float freely in the cytoplasm; proteins are released into cytosol for cellular use
Fixed ribosomes Ribosomes that attach to rER; proteins will be transported to Golgi Apparatus for additional modification
Mitochondrion The "Power House" of the cell; creates ATP for energy through cellular respiration
Plasma Membrane Barrier between cell contents and surrounding environment
Enzymes Catalyze reactions
Glycocalyx Carbohydrate portion of a cell's plasma membrane that binds, anchors, and moves the cell.
Phospholipid Bilayer A two-layer border around the plasma membrane made of lipids; hydrophilic and hydrophobic layers maintain cellular homeostasis
Created by: Lauren_IBCLC
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