organelles

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Cell Biology

Cytoskeleton

cell

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 6 Outline

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cell

Ch. 6 AP Bio Lecture Date Notes Questions 9/29 Multicellular organisms, many cell types, specialized tasks Single cell, singular task done for survival Body is like ecosystem 80% cells are microbes that live in gut Signaling is essential for multicellular organisms Big Brain Theory ? Mutations made so many times that the cells could send signals in so many different ways White Blood Cells stick to walls of Arteries Tumble of surface while red blood cells move as fluids. White Blood Cells Like Velcro Signals change that, proteins that make them less sticky so that they can move to areas where there is damage or stickiness when not being used. Done so that signals are efficiently received. Microtubules contribute to the cytoskeleton

Endomembrane System

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Endomembrane system

Vesicle

cell

Endomembrane System This system controls the process of making proteins specified by the DNA in the nucleus and includes the organelles of the smooth ER, rough ER, and golgi apparatus. *Although ribosomes make proteins, it is not included in this system because it is not a membrane bound organelle and just composed of RNA and proteins.

cell membrane

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cell

Sterol

Cell Membrane L.18.3 Compare and contrast the general structures of plant and animal cells Compare and contrast the general structures of prokaryotic and eukaryotic cells. Draw and Label Structure of Cell Membrane Circle the type(s) of cell(s) it is found in? Eukaryote Prokaryote Plant Animal Bacteria Explain the Function of each part Cell Membrane Phospholipid Protein Carbohydrate Cholesterol
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Pearson Ch 6 - A Tour of the Cell

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cell

Actin

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)

Raven Biology Chapter 4 Notes

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cell

Eukaryote

Vesicle

Vacuole

Gavin Morgan 9/23/2015 Chapter 4 2-Point Notes Cell theory is the unifying foundation of cell biology: 1. All organisms are composed of one or more cells. 2. Cells are the smallest living things, and arise only by division of a previously existing cell. Cell size is limited: 1. As the size of a cell increases, the length of time for diffusion from the outside membrane to the interior of the cell increases as well. 2. Some cells, such as skeletal muscle cells, have more than on nucleus, allowing genetic information to be spread around a large cell. Microscopes allow visualization of cells and components:

Campbell9EdChapter1ThemesinStudyofLife

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Archaea

Domain

cell

bacteria

Prokaryote

Multicellular organism

Introduction: Themes in the Study of Life Chapter 1 Overview: Inquiring About Life An organism?s adaptations to its environment are the result of evolution For example, the ghost plant is adapted to conserving water; this helps it to survive in the crevices of rock walls Evolution is the process of change that has transformed life on Earth ? 2011 Pearson Education, Inc. Figure 1.2 Biology is the scientific study of life Biologists ask questions such as How does a single cell develop into an organism? How does the human mind work? How do living things interact in communities? Life defies a simple, one-sentence definition Life is recognized by what living things do ? 2011 Pearson Education, Inc. Figure 1.3 Order Evolutionary adaptation Response to the environment

Campbell9thEdChapter6Tour of the Cell

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cell

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

AP Bio Chp 6

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cell

Endomembrane system

Cytoskeleton

Vesicle

AP Biology Reading Guide Chapter 6: A Tour of the Cell Fred and Theresa Holtzclaw Copyright ? 2010 Pearson Education, Inc. - 1 - Name_______________________Period___________ Chapter 6: A Tour of the Cell Concept 6.1 To study cells, biologists use microscopes and the tools of biochemistry 1. The study of cells has been limited by their small size, and so they were not seen and described until 1665, when Robert Hooke first looked at dead cells from an oak tree. His contemporary, Anton van Leeuwenhoek, crafted lenses; and with the improvements in optical aids, a new world was opened. Magnification and resolving power limit what can be seen. Explain the difference.

quiz 6

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Protein targeting

mitochondrion

cell