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Microtubule

Campbell's Biology 9 Edition Unit 2 Outline

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Biology
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Cell Biology
Cytoskeleton
organelles
cell
Endoplasmic reticulum
Tonicity
Microtubule
Cytoplasm
Water potential
Intracellular transport

Unit 2 Info Be aware of support structures in cytoskeleton Microtubules Act as transport feature as well Easily broken down and reformed Microfilaments: Circulation of cytoplasm Intermedia filaments support for cytoskeleton Any shape change involves cytoskeleton All three assist in the change in shape Water potential Depends on solute concentration and pressure Presence of solutes makes water potential lower Pressure can set the potential to zero evening everything out Hypotonic Hypertonic Cis receives the contents in the Golgi Trans transports the contents in the Golgi Rough ER has ribosomes so they construct proteins Smooth ER is making complex carbs and lipids Hormones are made of lipids

Campbell's Biology 9 Edition Chapter 7 Outline

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Biology
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Membrane biology
Cell Biology
diffusion
Membrane technology
Osmosis
Water technology
Tonicity
Cell membrane
Passive transport
Microtubule
Semipermeable membrane
cell

Ch.7 Notes and Lecture Date Notes Questions 10/7/15 Unless something there is something non soluble only a helper protein can help it get through Phospholipid Bilayer Endocytosis is when a cell membrane can take/release atoms. Fatty acid tails will not associate with ions Diffusion when high concentration to low concentration Active Transport Learn proteins on the membrane Proteins make membrane selectively permeable 10/8/15 Passive transport, know all forms Diffusion as well Water can pass directly though phospholipid membrane Pores allow passage for chemicals to enter the cell. Diagram, #1 Facilitated diffusion: Use of proteins on the membrane to take in and put out chemicals. Osmosis: diffusion of water through selectively permeable barrier. Diagram 2

Pearson Ch 6 - A Tour of the Cell

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Biology
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organelles
cell
Endomembrane system
Cytoskeleton
Eukaryote
Microtubule
plant cell
Endoplasm
Actin
Ribosome
Cytoplasm
Golgi apparatus

Ch 6: A Tour of the Cell Concept 6.2: Eukaryotic cells have internal membranes that compartmentalize their functions The basic structural and functional unit of every organism is one of two types of cells: prokaryotic or eukaryotic Only organisms of the domains Bacteria and Archaea consist of prokaryotic cells Protists, fungi, animals, and plants all consist of eukaryotic cells Overview: The Fundamental Units of Life All organisms are made of cells The cell is the simplest collection of matter that can be alive Cell structure is correlated to cellular function All cells are related by their descent from earlier cells Comparing Prokaryotic and Eukaryotic Cells Basic features of all cells: Plasma membrane Semifluid substance called cytosol Chromosomes (carry genes)

Campbell9thEdChapter6Tour of the Cell

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Biology
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organelles
cell
Cytoskeleton
Eukaryote
Microtubule
Endomembrane system
Outline of cell biology
Endoplasmic reticulum
Actin
mitochondrion
plant cell
Biological membrane

A Tour of the Cell Chapter 6 Overview: The Fundamental Units of Life All organisms are made of cells The cell is the simplest collection of matter that can be alive Cell structure is correlated to cellular function All cells are related by their descent from earlier cells ? 2011 Pearson Education, Inc. Figure 6.1 Concept 6.1: Biologists use microscopes and the tools of biochemistry to study cells Though usually too small to be seen by the unaided eye, cells can be complex ? 2011 Pearson Education, Inc. Microscopy Scientists use microscopes to visualize cells too small to see with the naked eye In a light microscope (LM), visible light is passed through a specimen and then through glass lenses Lenses refract (bend) the light, so that the image is magnified

quiz 4

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Biology
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Cell Biology
cell
Ribose
Ribosome
Nucleotide
Microtubule
Plasma cell
ADP-ribose diphosphatase

Which of the following molecules contains a glycosidic linkage type of covalent bond? a. 4 b. 6 c. 12 d. 13 e. 15 Which molecule has hydrophilic and hydrophobic properties and would be found in plasma membranes? a. 1 b. 5 c. 6 d. 12 e. 14 Which of the following molecules act as building blocks (monomers) of polypeptides? a. 1, 4, and 6 b. 2, 7, and 8 c. 7, 8, and 13 d. 11, 12, and 13 e. 12, 13, and 15 Which of the following combinations could be linked together to form a nucleotide? a. 1, 2, and 11 b. 3, 7, and 8 c. 5, 9, and 10 d. 11, 12, and 13 e. 12, 14, and 15 The interaction of four polypeptide chains in a hemoglobin molecule is __________ structure. a. primary b. secondary c. tertiary d. quaternary e. stereo

The Cytoskeleton

Subject: 
Biology
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Biology
Cell Biology
organelles
Cytoskeleton
Microtubule organizing center
cell
Microtubule
Basal body
Motor protein
Actin
Centrosome
Microvillus
health

The Cytoskeleton The cytoskeleton extends throughout the cytoplasm It organises cell structure and activities, anchoring many organelles in place It provides mechanical support, maintaining the cells shape: it?s domed in shape and stabilised by opposing forces It is also very dynamic, and can be dismantled and reassembled quickly, to change the shape of the cell Form The cytoskeleton is a network of fibres, the molecular structures include: Microtubules: the thickest of the fibres at 25nm (15nm lumen) Microfilaments: the thinnest of the fibres at 7nm Intermediate filaments: range in diameter from 8?12nm, larger than microfilaments but smaller than microtubules Roles
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