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Cell Biology Homework
Cell Biology Key Words

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Pyruvic Acid

Votes:14 Comments:0
Pyruvic Acid Biology-Online.org A colorless, water-soluble, organic liquid produced by the breakdown of carbohydrates and sugars during glycolysis, and with a chemical formula of: CH3COCO2H. READ MORE
http://www.biology-online.org/dictionary/Pyruvic_acid

Tight junction

Votes:18 Comments:0
Tight junction Wikipedia.org Article with images on the structure, function, and classification of tight junctions; click on the diagram for a closer look. READ MORE
http://en.wikipedia.org/wiki/Tight_junction

Simple Diffusion

Votes:39 Comments:0
Simple Diffusion Brooklyn College City University of New York Illustration and description of simple diffusion. READ MORE
http://academic.brooklyn.cuny.edu/biology/bio4fv/page/simple.htm

exocytosis

Votes:12 Comments:0
exocytosis By David Darling The Encyclopedia of Science Visit the website for a brief article. READ MORE
http://www.daviddarling.info/encyclopedia/E/exocytosis.html

Pinocytosis Definition

Votes:33 Comments:0
Pinocytosis Biology-Online.org Pinocytosis is a process that enables a cell to take in fluid through its membrane. Visit the website for a definition and supplemental information. READ MORE
http://www.biology-online.org/dictionary/Pinocytosis

Endocytosis and Exocytosis Animation

Votes:7 Comments:0
Endocytosis and Exocytosis Animation Max Animations Visit the web site to learn what endocytosis and exocytosis are and an animation. READ MORE
http://www.maxanim.com/physiology/Endocytosis%20and%20Exocytosis/Endoc...

Allele

Votes:3 Comments:0
Allele Wikipedia.org An allele is one of two or more forms of the DNA sequence of a particular gene.[1][2] Visit the website for the article. READ MORE
http://en.wikipedia.org/wiki/Allele

Allele

Votes:28 Comments:0
Allele Biology-Online.org Definition noun, plural: alleles (genetics) One member of a pair (or any of the series) of genes occupying a specific spot on a chromosome (called locus) that cont READ MORE
http://www.biology-online.org/dictionary/Allele

Nucleolus

Votes:14 Comments:0
Nucleolus Biology Online The round granular structure within the nucleus of a cell, and composed of protein and RNA. Visit the website for supplemental information. READ MORE
http://www.biology-online.org/dictionary/Nucleolus

Gap junction

Votes:22 Comments:0
Gap junction Wikipedia.org A gap junction or nexus is a specialized intercellular connection between a multitude of animal cell-types. Visit the website for a diagram and the rest of the arti READ MORE
http://en.wikipedia.org/wiki/Gap_junction

Centrosome

Votes:22 Comments:0
Centrosome Wikipedia.org In cell biology, the centrosome is an organelle that serves as the main microtubule organizing center (MTOC) of the animal cell as well as a regulator of cell-cycle prog READ MORE
http://en.wikipedia.org/wiki/Centrosome

Phagocyte

Votes:27 Comments:0
Phagocyte Wikipedia.org Phagocytes are the white blood cells that protect the body by ingesting (phagocytosing) harmful foreign particles, bacteria, and dead or dying cells. Visit the websit READ MORE
http://en.wikipedia.org/wiki/Phagocyte

SparkNotes: Cell Membranes: The Lipid Layer

Votes:39 Comments:0
SparkNotes: Cell Membranes: The Lipid Layer Good article; includes illustrations. READ MORE
http://www.sparknotes.com/biology/cellstructure/cellmembranes/section1...

Vesicle Budding and Fusing

Votes:4 Comments:0
Vesicle Budding and Fusing W. W. Norton & Co. and Sumanas, Inc. An animation showing how vesicles transport molecules from one place to another. After you view the animation, there's an option t READ MORE
http://www.sumanasinc.com/webcontent/animations/content/vesiclebudding...

Nucleoid

Votes:25 Comments:0
Nucleoid Biology-Online.org The portion within a prokaryotic cell where the genetic material is to be found. Visit the web site for supplemental information. READ MORE
http://www.biology-online.org/dictionary/Nucleoid

Cell Organelles

Votes:31 Comments:0
Cell Organelles Biology-Online.org noun, plural: cell organelles A membrane-bound compartment or structure in a cell that performs a special function. Visit the web site for supplemental inf READ MORE
http://www.biology-online.org/dictionary/Cell_organelle

channel protein: Definition from Answers.com

Votes:23 Comments:0
channel protein Answers.com (cell and molecular biology) Protein forming an aqueous pore spanning the lipid bilayer of the cell membrane which when open allows certain solutes to traverse the me READ MORE
http://www.answers.com/topic/channel-protein

Membrane Transport Protein

Votes:31 Comments:0
Membrane Transport Protein Biology Online A type of [[protein that actively transports materials across a [[cell membrane that would not otherwise allow this to occur. READ MORE
http://www.biology-online.org/dictionary/Membrane_Transport_Protein

Cell Biology: receptor proteins

Votes:36 Comments:0
Cell Biology: receptor proteins Biology of Cells Blog Biologically active molecules (ligands) exert their physiological effect by activating or inducing 3D conformational changes in receptor pro READ MORE
http://biologyofcells.blogspot.com/2007/12/receptor-proteins.html

Peripheral membrane protein

Votes:22 Comments:0
Peripheral membrane protein Biology Online A protein that temporarily adheres to the biological membrane, either to the lipid bilayer or to integral proteins by a combination of hydrophobic, ele READ MORE
http://www.biology-online.org/dictionary/Peripheral_membrane_protein

Microtubule

Votes:13 Comments:0
Microtubule Wikipedia.org Microtubules are one of the components of the cytoskeleton. They have a diameter of 25 nm and length varying from 200 nanometers to 25 micrometers. Microtubules serve a READ MORE
http://en.wikipedia.org/wiki/Microtubule

CELL ORGANELLES: microtubules

Votes:8 Comments:0
CELL ORGANELLES: microtubules Russell Kightley Media Canberra, Australia In this picture, microtubules are the pale spoke-like structures. They originate near the centre of the cell at the cent READ MORE
http://www.rkm.com.au/CELL/organelles/microtubule.html

Molecular Expressions Cell Biology: Microfilaments

Votes:20 Comments:0
Molecular Expressions Cell Biology: Microfilaments by Michael W. Davidson and The Florida State University Microfilaments are solid rods made of globular proteins called actin. These filaments a READ MORE
http://micro.magnet.fsu.edu/cells/microfilaments/microfilaments.html

Cytoplasm

Votes:22 Comments:0
Cytoplasm By David Darling The jelly-like matrix that surrounds the nucleus of a cell and is bounded by the cell membrane. It includes the organelles of the cell as well as the sugars, amino READ MORE
http://www.daviddarling.info/encyclopedia/C/cytoplasm.html

ATP - What is ATP?

Votes:22 Comments:0
What is ATP? Wiki Answers ATP is produced by almost all living things in their cell's organelles called mitochondria. It stands for adenosine triphosphate and it is the major 'currency' of energy READ MORE
http://wiki.answers.com/Q/What_is_ATP

Diffusion Definition

Votes:4 Comments:0
Diffusion Definition Dennis Anderson, Professor of Biology Oklahoma City Community College Illustrations and text explaining the movement of molecules from a high concentration to low concentra READ MORE
http://www.occc.edu/biologylabs/Documents/Cells%20Membranes/Diffusion_...

Plasma Membrane

Votes:9 Comments:0
Plasma Membrane By Dennis Anderson, Biology Professor Oklahoma City Community College An illustration of the plasma membrane; it regulate what goes in and out of a cell. READ MORE
http://www.occc.edu/biologylabs/documents/cells%20membranes/Plasma_Mem...

Flagellum

Votes:16 Comments:0
Flagellum By David Darling A whip-like organelle specialized for locomotion. Flagella are found among all three domains of life - bacteria, archaea, and eukaryotes - but the structure of the appen READ MORE
http://www.daviddarling.info/encyclopedia/F/flagellum.html

Cillia - What Are Cilia?

Votes:18 Comments:0
What Are Cilia? Written by S. Mithra Wisegeek.com Cilia is Latin for "eyelash." Common in single-cell organisms, this hair-like structures wave to move a cell around, or to move something around READ MORE
http://www.wisegeek.com/what-are-cilia.htm

Cell Organelles

Votes:3 Comments:0
Cell Organelles A Review of the Universe Universe-review.ca Function of organelles in a table format; scroll down for a good illustration. READ MORE
http://universe-review.ca/R10-02-cellorganelle.htm

Ribosome

Votes:33 Comments:0
Ribosome Scitable By Nature Education All-text definition; links to other topics for further exploration. READ MORE
http://www.nature.com/scitable/definition/ribosome-194

Cytoplasm Definition

Votes:25 Comments:0
Cytoplasm Definition By Nature Education All-text definition; links to other concepts for further exploration. READ MORE
http://www.nature.com/scitable/definition/cytoplasm-280

Chromosome Structure

Votes:13 Comments:0
Chromosome Structure By John Kyrk Animated outline of chromosome structure; probably best for advanced students but interesting to watch. READ MORE
http://www.johnkyrk.com/chromosomestructure.html

Nucleolus

Votes:9 Comments:0
Nucleolus By David Darling DavidDarling.info Brief description and illustration of the nucleolus. READ MORE
http://www.daviddarling.info/encyclopedia/N/nucleolus.html

Chloroplasts

Votes:21 Comments:0
Chloroplasts Georgia State University Two nice sketches and description of chloroplasts and its parts. READ MORE
http://hyperphysics.phy-astr.gsu.edu/Hbase/Biology/chloroplast.html

Osmosis

Votes:26 Comments:0
Osmosis Wikipedia.org Combination of text and illustrations explaining the process of osmosis. READ MORE
http://en.wikipedia.org/wiki/Osmosis

chromosome

Votes:3 Comments:0
chromosome By David Darling DavidDarling.info Encyclopedia article, with illustrations. You can all access articles on genetics and heredity on this page. READ MORE
http://www.daviddarling.info/encyclopedia/C/chromosome.html

mitochondria

Votes:14 Comments:0
mitochondria By David Darling DavidDarling.info Encyclopedia article with illustrations. READ MORE
http://www.daviddarling.info/encyclopedia/M/mitochondria.html

lysosome

Votes:30 Comments:0
lysosome By David Darlings DavidDarling.info Encyclopedia article on lysosomes, with a great illustration. READ MORE
http://www.daviddarling.info/encyclopedia/L/lysosome.html

cytoskeleton

Votes:16 Comments:0
cytoskeleton By David Darling DavidDarling.info Encyclopedia article on the three protein systems that constitute the cytoskeleton. READ MORE
http://www.daviddarling.info/encyclopedia/C/cytoskeleton.html

centriole

Votes:5 Comments:0
centriole By David Darling DavidDarling.info Brief encyclopedia article, with illustration. READ MORE
http://www.daviddarling.info/encyclopedia/C/centriole.html

ribosome

Votes:13 Comments:0
ribosome By David Darling DavidDarling.info Encyclopedia article on ribosomes, with illustrations. READ MORE
http://www.daviddarling.info/encyclopedia/R/ribosome.html

Golgi apparatus

Votes:14 Comments:0
Golgi apparatus By David Darling Also known as the Golgi body or Golgi complex, a collection of vesicles and folded membranes in a cell, usually connected to the endoplasmic reticulum (ER). It s READ MORE
http://www.daviddarling.info/encyclopedia/G/Golgi_apparatus.html

Nucleus

Votes:23 Comments:0
Nucleus Biology-Online.org Definition of the nucleus with links to more in-depth information. READ MORE
http://www.biology-online.org/dictionary/Nucleus

Endoplasmic reticulum

Votes:9 Comments:0
Endoplasmic reticulum Biology-Online.org An important organelle heavily involved in protein synthesis. This page has a definition with links to more in-depth information. READ MORE
http://www.biology-online.org/dictionary/Endoplasmic_reticulum

Cytoskeleton Tutorial

Votes:18 Comments:0
Cytoskeleton Tutorial The Biology Project Department of Biochemistry and Molecular Biophysics University of Arizona Find out what the cytoskeleton is and what it does in this tutorial. READ MORE
http://www.biology.arizona.edu/Cell_BIO/tutorials/cytoskeleton/main.ht...

eukaryotic cell

Votes:8 Comments:0
eukaryotic cell By David Darling Excellent article on eurkaryotic cells origin and structure. It also has a side-by-side comparison of eukaryotic and prokaryotic cells. Includes images. READ MORE
http://www.daviddarling.info/encyclopedia/E/eukarycell.html

Prokaryote

Votes:33 Comments:0
Prokaryote Wikipedia.org A good description of prokaryote plus a good illustration; click on image to enlarge. READ MORE
http://en.wikipedia.org/wiki/Prokaryote

Organelle

Votes:8 Comments:0
Organelle Wikipedia.org Extensive article on organelles; click on image to enlarge. READ MORE
http://en.wikipedia.org/wiki/Organelles
Know what these words mean in order to score high on tests.
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