PPT-Control of cell growth

Cells in a multicellular organism communicate through chemical signals Hormones act over a long range Local mediators are secreted into the local environment Some cells communicate through direct cellcell contact. 01 01 10 20 15 10 5 02 04 06 08 y brPage 4br EE392m Winter 2003 Control Engineering 44 Example Servosystem command More stepper motor flow through a valve motor torque I control Introduce integrator into control Closedloop dynamics gk gk gk Ascend plant growth regulator contains an optimum combination of three plant growth regulators and can be used as a seed treatment in furrow or as a foliar application Ascend plant growth regulator can also be applied by ground air or chemigation Pl Sam Kupfer and Joseph Ahmad. Background/Outline. Cancer is a group of diseases in which abnormal cells divide uncontrollably, forming tumors that interrupt the normal functioning of nearby cells and organs. . Technology. Ceac. 514. hıstory. Introduction. Cell culture is the process by which prokaryotic, eukaryotic or plant cells are grown under controlled conditions. . Practically. Cell . culture. is . Organic Growth? What is it?. Organic:. Growth – have already talked about objectives – Profit, Revenue, Turnover. => A business grows naturally by selling more of its output using its own resources. Cell membrane is like the doors on a car. They regulate what goes in/out.. The cell wall in a plant cell is like the frame on a car. The frame supports the car as the cell wall supports the plant.. The endoplasmic reticulum is like the fuel lines on a car. It lets a passage way for fuel to flow like proteins do in the endoplasmic reticulum . How did I grow taller. ?. . How . are my worn out cells replaced. ? . How . do I heal from injuries. ?. The answer is….. Cellular Reproduction . or Mitosis. THE . CELL CYCLE:. Cells go through cycles during their lifetime.. Cell membrane is like the doors on a car. They regulate what goes in/out.. The cell wall in a plant cell is like the frame on a car. The frame supports the car as the cell wall supports the plant.. The endoplasmic reticulum is like the fuel lines on a car. It lets a passage way for fuel to flow like proteins do in the endoplasmic reticulum . Tissue culture is the general name for the removal of cells, tissues or organs from an animal or plant and their subsequent placement into artificial environment conductive to growth. This environment usually consists of a suitable glass or plastic culture vessel containing a liquid or semi-solid support medium that supplies the nutrients essential for survival and growth. Saline A Phenol red Trypsin solution, 0.03 (0.3 gin. Phenol red 0.02 Glucose 1.00 saline A) Trypsin (1-300) was obtained from Biochemicals, Cleveland. r-Arginine 0.0375 L-Aspartic acid 0.0300 L-Cystin Biological growth is usually considered as an increase in that part of the living system which is in its own turn capable of growth. . Growth is a permanent increase in size. . The growth of multi-cellular organisms is of three kinds with regard to the growth and multiplication of the body cells.. Binary fission. Prokaryote cells grow by increasing in cell number (as opposed to increasing in size).. Replication is by binary fission, the splitting of one cell into two. Therefore, bacterial populations increase by a factor of two (double) every generation time. Intro ?. Your skin cells are constantly dividing. Why?. Vocab. DNA. : genetic material. Chromosome. : Coiled DNA that is passed from one generation of cells to the next. Chromatid. : one of two identical “sister” parts of a duplicated chromosome. Microbiology. Outline. Microbial growth . in . natural environments. . Measurement . of . microbial population size. Principles of . microbial control. . Physical, chemical and biological control.