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Zoology 145 course
Zoology 145 course

... 3) Can fuse with food vacuoles to digest food, (when a food item is brought into the cell by phagocytosis). 4) Can also fuse with another organelle or part of the cytosol. This process of autophagy called recycling which renews the cell. 5. They digest unwanted particles. 6. They help white blood ce ...
cell death
cell death

... into 2 identical daughter cells  Divided into 4 stages of Mitosis: A. Prophase B. Metaphase C. Anaphase ...
Chapter 4 – Part B: Prokaryotic (bacterial) cells
Chapter 4 – Part B: Prokaryotic (bacterial) cells

... Lysozyme breaks the bonds between the NAG and NAM sugars Penicillin prevents the crossbridges between aa chains from forming Penicillin is only effective in actively growing cells Gram + cell wall can be 40 layers thick; G – is 1 or 2 layers thick Functions: strength, support, shape Cells without c ...
the cell – project - Southington Public Schools
the cell – project - Southington Public Schools

... 4. The cell must be identified as plant or animal. Each organelle must be fully labeled with name and function or numbered and identified using a key containing full name and function. Grading rubric is attached. ...
the cell – project - Southington Public Schools
the cell – project - Southington Public Schools

... 4. The cell must be identified as plant or animal. Each organelle must be fully labeled with name and function or numbered and identified using a key containing full name and function. Grading rubric is attached. ...
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Practice_test

... 2. Broxits have been featured in Jupiter’s TV series “Is your Beef Safe?” Broxits are infectious protein agents often smaller than Sixolits. 3. Siloxits are responsible for diseases such as the common cold, fever, and Hepatitis A. 4. Firiits are responsible for the common disease in which people’s t ...
Foundations of Biology
Foundations of Biology

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Cell Functions Test Review

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All Cells are Alive
All Cells are Alive

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Nephrogenesis

... • Modulated by cell adhesion molecule (CAM) complexes and their associations with the cytoskeleton, by extracellular matrix (ECM) glycoproteins and ECM receptor molecules such as the integrin family, and by ECM degrading proteases. ...
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Chapter 5: Homeostasis and Transport
Chapter 5: Homeostasis and Transport

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Supplementary Data SD1: Materials and methods SD1.1 Reagents

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Part of cell narration - Dallastown Area School District Moodle
Part of cell narration - Dallastown Area School District Moodle

... Drawing Cells • You will be drawing two different cells, one to represent an animal cell and one to represent a plant cell. • A template has been provided to start the process. ...
Observing Plasmolysis in Elodea
Observing Plasmolysis in Elodea

... more complex internal structure that consists of many organelles that perform specific functions within the cell All eukaryotic cells have an elaborate system of membranes that enclose the cell and create internal compartments that allow a huge variety of processes to occur within the cytoplasm. Thi ...
Performance of NucleoCounter® NC-250™
Performance of NucleoCounter® NC-250™

... the determination of the cell count is dependent on the number of cells counted. It is normally assumed that counting random events follows the Poisson distribution, according to which the expected standard deviation is equivalent to the square root of the number of counted events. Therefore, the th ...
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Tissues ppt

Chapter Review - Paul J. Goodenough
Chapter Review - Paul J. Goodenough

... 20. COMPARE AND CONTRAST Consider the fat cells in a polar bear and compare them with the single body cell of a bacterium. How are the cells alike, and how are they different? 21. CONNECT The cell theory applies to all organisms, including you. State the three parts of the cell theory and describe b ...
Cells: A Busy Factory Adapted
Cells: A Busy Factory Adapted

... factory  floor.  The  highly  skilled  craftspeople  who   assemble  these  components  sit  hour  after  hour  at  their   stations,  plugging  away  at  their  work.   These  workers  are  highly  compensated  because  they  can   read  plans  and  use  that  information  to  make  different   kin ...
SDL 3- Neoplasia 1 Tumor: any swelling Neoplasia: mass of cells
SDL 3- Neoplasia 1 Tumor: any swelling Neoplasia: mass of cells

... -torsion: accident that occurs with pedunculated tumors, veins twisted stalk are compressed first and arteries still pump blood (red infarct) -it is believed that tumors arise in stem cells located in the basal layer (difficult to id) -only long-term residents in various tissues (target for mutation ...
Osmosis in Plant Cells - Middlesex High School
Osmosis in Plant Cells - Middlesex High School

... in a plant or algal cell will affect the cell’s response to solutions of differing concentrations. When a plant cell is placed in a hypertonic solution, water moves out of the cell; the cell wall shrinks and may pull away from the cell wall. This process is called plasmolysis, and the cell is descri ...
Chapter 5: Homeostasis and Transport
Chapter 5: Homeostasis and Transport

... substances into and out of the cell. The plasma membrane is selectively permeable, allowing only certain substances to pass through. Proteins embedded within the plasma membrane help to move hydrophilic, polar molecules into the cell. The cytoplasm is the internal medium for cell transport. Vesicle ...
Chap 33 - White Blood Cells
Chap 33 - White Blood Cells

... 4. migration of granulocytes and monocytes into the tissue 5.swelling of tissue cell B. tissues products that aid swelling: 1. histamine 2. bradykinin 3. serotonin 4. prostaglandins 5. complement system 6. blood-clotting system 7. lymphokines - hormonal substances released by T cells C. walls-off ar ...
Lecture 13
Lecture 13

... “What has rescued this Cinderella from the shadows is no fairy godmother but a plethora of new synthetic and analytic methods that a previous generations of researchers would have found nearly magical nonetheless.” ...
Cell Division*Mitosis Notes
Cell Division*Mitosis Notes

... • DNA codes the proteins our cells need to survive. The larger the cell, the more protein it would need and DNA could not keep up! • Surface Area to Volume Ratio – the larger the cell, the more volume it has. More is needed and more waste is produced. It would need more surface area than the membran ...
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Extracellular matrix



In biology, the extracellular matrix (ECM) is a collection of extracellular molecules secreted by cells that provides structural and biochemical support to the surrounding cells. Because multicellularity evolved independently in different multicellular lineages, the composition of ECM varies between multicellular structures; however, cell adhesion, cell-to-cell communication and differentiation are common functions of the ECM.The animal extracellular matrix includes the interstitial matrix and the basement membrane. Interstitial matrix is present between various animal cells (i.e., in the intercellular spaces). Gels of polysaccharides and fibrous proteins fill the interstitial space and act as a compression buffer against the stress placed on the ECM. Basement membranes are sheet-like depositions of ECM on which various epithelial cells rest.The plant ECM includes cell wall components, like cellulose, in addition to more complex signaling molecules. Some single-celled organisms adopt multicelluar biofilms in which the cells are embedded in an ECM composed primarily of extracellular polymeric substances (EPS).
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