The cell is the fundamental structural unit of all living organisms. Some cells are complete organisms‚ such as the unicellular bacteria and protozoa; others‚ such as nerve‚ liver‚ and muscle cells‚ are specialized components of multi-cellular organisms. Cells range in size from the smallest bacteria-like mycoplasmas‚ which are 0.1 micrometer in diameter‚ to the egg yolks of ostriches‚ which are about 8 cm (about 3 in) in diameter. Although they may differ widely in appearance and function‚ all cells
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Introduction and Chemistry of Life Anatomy: the study of structure or shape of body parts and their relationship to each other. Physiology: the study of function (how the parts work) Levels of structural organization: There is a hierarchy of structural complexity‚ beginning with the simplest or chemical level and culminating with the highest level-the whole organism Chemical level – atoms (and their parts)‚ and combinations of atoms called molecures Cellular level – cells are the basic structural
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Introduction The Manila Ocean Park is an oceanarium in Manila‚ Philippines. It is owned by China Oceanis Philippines Inc.‚ a subsidiary of China Oceanis Inc.‚ a Singaporean-registered firm that has operated four oceanariums in China. It is located behind the Quirino Grandstand at Rizal Park. It opened on March 1‚ 2008. In terms of floor space‚ the 8‚000 square meters (86‚000 sq ft) oceanarium is larger than the Sentosa Underwater World oceanarium in Singapore‚ and features a 25-metre (82 ft) underwater
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Cell Respiration Respiration is the process by which organisms burn food to produce energy. The starting material of cellular respiration is the sugar glucose‚ which has energy stored in its chemical bonds. You can think of glucose as a kind of cellular piece of coal: chock-full of energy‚ but useless when you want to power a stereo. Just as burning coal produces heat and energy in the form of electricity‚ the chemical processes of respiration convert the energy in glucose into usable form. Adenosine
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Introduction Mosquito coils are widely used as mosquito repellent. The major active ingredients of most mosquito coils are pyrethrins‚ accounting for about 0.3 – 0.4% of the coil mass. When a Mosquito coil is burnt‚ the insecticides evaporate (pyrethrin‚ PAH‚ aldehyde etc.) with smoke‚ which prevent the mosquito from entering the room and harm those already in the room. The remaining components of mosquito coils include organic fillers‚ binders‚ dyes and other additives capable of burning well without
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. INTRODUCTION Learning Objectives 1. Define Psychology. 2. Describe the difference between opinions‚ values and facts‚ and explain how the scientific method is used to provide evidence for facts. 1. Define psychology. Psychology is the scientific study of the mind (mental processes) and behavior. 2. Describe the major schools of thought and theoretical perspectives in psychology. behaviorism psychology based on the premise that it is not possible to objectively study the mind‚ therefore
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CELL THEORY – STEM CELLS Stem cells are a large focus of study in today’s biomedical world. “They are cells that exist in an undifferentiated state‚ and transform into differing tissue types depending on what the cells surrounding them are‚“ (National Institute of Health‚ 2012). Stem cells have the remarkable potential to develop into many different cell types in the body during early life and growth. In addition‚ they also serve as an internal repair mechanism inside many tissues‚ dividing without
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students will: 1. Identify the basic requirements of life and the properties of the major molecules needed for life. 2. Compare and contrast the structures‚ reproduction‚ and characteristics of viruses‚ prokaryotic cells‚ and eukaryotic cells. 3. Describe the structure of cell membranes and the movement of molecules across a membrane. 4. Identify the substrates‚ products‚ and important chemical pathways in metabolism. 5. Identify the principles of inheritance and solve classical genetic
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Introduction Cattle fattening has gained prominence as an important business project of the livestock industry in the Philippines. It gives the farmer year-round work and provides him with extra income. He can make use of cheap‚ plentiful farm by-products such as corn stoves‚ rice straw‚ copra meal‚ rice bran and sugarcane tops‚ which ordinarily go to waste. Most importantly‚ it helps meet the urgent demand for high-protein foods in the Filipino diet. Backyard cattle fattening or on a large scale
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This paper is about how the plant cells and solar cells are similar to each other as well as how they are different to one another. In addition this paper explains how the laws of thermodynamics apply to each of the plant and solar cells system. Plant Cells and Solar Cells Photosynthesis is the process of producing and releasing oxygen in the air. It needs sunlight‚ carbon dioxide and
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