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Cells
Cells

... • Endocytosis: capturing substance or particle from outside the cell by engulfing it within membrane folds from the cell membrane and releasing it into cytosol. • There are two main kinds of endocytosis: ...
Actin filaments
Actin filaments

... The cytoskeleton (also CSK) is a cellular "scaffolding" or "skeleton" contained within the cytoplasm that is made out of protein. The cytoskeleton is present in all cells; it was once thought this structure was unique to eukaryotes, but recent research has identified the prokaryotic cytoskeleton. ...
Lab 5. Cells
Lab 5. Cells

... Lab exercise #5 Activities: Look over membrane structure and cell ...
Essential Concepts and Skills
Essential Concepts and Skills

... proteins and nucleic acids. a. Substances such as carbohydrates, lipids, proteins and nucleic acids are called organic compounds because they contain carbon. b. Carbohydrates provide organisms (cells) with energy. c. Lipids store energy and do not dissolve in water; lipids make up cell membranes. d. ...
Cytoplasm
Cytoplasm

...  site of most cellular activity  3 elements 1. Cytosol 2. Organelles 3. Inclusions ...
Lesson Plan
Lesson Plan

... a. Compare the structure, function and interrelatedness of cell organelles in eukaryotic cells (e.g. nucleus, chromosome, mitochondria, cell membrane, cell wall, chloroplasts, cilia, flagella) and prokaryotic cells. 2. Grade 10, Life Sciences, indicator 3 a. Explain the characteristics of life as in ...
Chapter 3- Cellular Level of Organization
Chapter 3- Cellular Level of Organization

...  Anchoring- attach plasma membrane to other structures & stabilize its position  Recognition- allows immune system cells to recognize “self” vs “nonself”  Enzymes- catalyze reactions in cytosol or extracellular fluid  Receptors- sensitive to extracellular molecules > ligands  Carrier- binds sol ...
Endoplasmic reticulum (ER)
Endoplasmic reticulum (ER)

... receiving end of the Golgi 4. They are modified and packaged by the Golgi. 5. They leave from the migrating end of the Golgi in vesicles. 6. The vesicles fuse with the cell membrane. 7. The contents are released externally by exocytosis. ...
Unit 4: Cells Chapter 4 Distinguish between the detail seen and the
Unit 4: Cells Chapter 4 Distinguish between the detail seen and the

... a. Passive transport (describe in terms of concentration of molecules and energy) b. Diffusion (describe in terms of concentration of molecules and energy) c. Facilitated diffusion (describe in terms of concentration of molecules and energy and why this is different from simple diffusion above) d. A ...
How do cells move? Mathematical modelling of cytoskeletal
How do cells move? Mathematical modelling of cytoskeletal

... WWTF Project MA04-039 ...
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How do materials move across the cell membrane?

... until they are evenly mixed. Molecules move from areas of higher concentration to lower concentration. Small molecules diffuse through membranes during passive transport: materials move without using the cell’s energy. The diffusion of water through a membrane is called osmosis. ...
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The Organelles of Cells

... b) What would you consider to be the “FILLER” of the cell? ______________________ c) What would you consider to be the “MESSENGER” of the cell? _______________________ ...
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How does the structure of the cell membrane contribute to its function?

... •Chemicals sent from other cells must fit •Lock and key concept ...
Chapter 6 - MrsAllisonMagee
Chapter 6 - MrsAllisonMagee

...  A prokaryotic cell does NOT have a nucleus or membrane bound organelles. It is small and simple, having only cytoplasm (fluid) and ribosomes (organelles that make protein). Bacteria are prokaryotic. ...
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ASSIGNMENT: Create a drawing or map that makes an analogy with

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Cell Structure Part II - Mr. Lesiuk

... with 2 central microtubules. This is known as a “9 + 2” Arrangement. Cilia – Are shorter whip-like oars that stick out of a cell. They whip back and forth to push stuff like mucous over the surface of the cell. They possess the same “9 + 2” Arrangement as the ...
Parts of the Cell
Parts of the Cell

... genetic (DNA,RNA) material that instructs the cell what to do. 4. Ribosome – site of protein synthesis. Found along the Endoplasmic Reticulum and floating freely in cytoplasm. ...
Cells, Photosynthesis, and Respiration Practice
Cells, Photosynthesis, and Respiration Practice

... Osmosis is a special type of diffusion-the diffusion of water molecules across a membrane. Like other molecules, water moves from an area of higher concentration to an area of lower concentration . Water moves in or out of a cell until its concentration is the same on both sides of the plasma membra ...
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Organelle Notes on structure Function Why partition? Lysosome

... 4. Consider the parasite HIV, which enters cells and takes over the host cell’s machinery to make copies of itself—producing the next generation of virions. After HIV’s Env protein has been synthesized by a ribosome, it has to enter the endomembrane system so it can be processed and eventually shipp ...
cell
cell

... This consists of cytosol, a water solution containing ions and various organic molecules. It also contains organelles, little organs necessary for important cell functions Cell Membrane The cytoplasm is surrounded by a cell or plasma membrane. ...
Cell Organelles
Cell Organelles

... Cells are made up of organelles o Organelles: “little organs” Two main parts of eukaryotic cells: o 1. Nucleus o 2. Cytoplasm ...
Plant Cell - Effingham County Schools
Plant Cell - Effingham County Schools

... • Surrounded by nuclear envelope/membrane • Key processes: Controls metabolism of cell, control Cell division, proteinsynthesis ...
Cell Membranes Video Questions
Cell Membranes Video Questions

... 2. Why is the term “Fluid Mosaic” used to describe the structure of the cell membrane? ...
Cellular respiration produces: ______ + ______ +
Cellular respiration produces: ______ + ______ +

... source of energy for cells _________________ include fats and oils. They Store energy for cells to use later and they make up cell membranes _________________ carry out most of cell functions, make up all genetic traits, and are needed to build and repair cells and bodies. _________________ includes ...
Levels of Organization of Life
Levels of Organization of Life

... • Homeostasis: All living things maintain an internal balance known as homeostasis. ...
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Cytosol



The cytosol or intracellular fluid (ICF) or cytoplasmic matrix is the liquid found inside cells. It is separated into compartments by membranes. For example, the mitochondrial matrix separates the mitochondrion into many compartments.In the eukaryotic cell, the cytosol is within the cell membrane and is part of the cytoplasm, which also comprises the mitochondria, plastids, and other organelles (but not their internal fluids and structures); the cell nucleus is separate. In prokaryotes, most of the chemical reactions of metabolism take place in the cytosol, while a few take place in membranes or in the periplasmic space. In eukaryotes, while many metabolic pathways still occur in the cytosol, others are contained within organelles.The cytosol is a complex mixture of substances dissolved in water. Although water forms the large majority of the cytosol, its structure and properties within cells is not well understood. The concentrations of ions such as sodium and potassium are different in the cytosol than in the extracellular fluid; these differences in ion levels are important in processes such as osmoregulation, cell signaling, and the generation of action potentials in excitable cells such as endocrine, nerve and muscle cells. The cytosol also contains large amounts of macromolecules, which can alter how molecules behave, through macromolecular crowding.Although it was once thought to be a simple solution of molecules, the cytosol has multiple levels of organization. These include concentration gradients of small molecules such as calcium, large complexes of enzymes that act together to carry out metabolic pathways, and protein complexes such as proteasomes and carboxysomes that enclose and separate parts of the cytosol.
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