Thick subcutaneous fat d. Convergent evolution Sol. Shark is poikilothermous. All three species show adaptations for aquatic life while these are not closely related. Correct choice: (4) Q. 5. Which one of the following is not a constituent of cell membrane? a. Phospholipids b. Cholesterol c. Glycolipids d. Proline Sol. Correct choice: (4) Q. 6. Select the wrong statement from the following: a. The chloroplasts are generally much larger than mitochondria. b. Both chloroplasts and mitochondria
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having sickle cell anemia can make a person more resistant to contracting malaria If it had not been for Anthony Allison‚ the world as we know it today would drastically change. Like the video stated‚ many people with the sickle cell anemia would meet “death before adulthood”. Areas with high frequencies of anopheles mosquito and sickle cell anemia would correlate but nobody would understand why. I admire Allison for not only having the burning inquiry to determine why the sickle cell anemia character
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Questions of this chapter: **Definition Cell cycle 2. Homologous Chromosome 3. Sister Chromatid 4. Synapsis **Short Questions 1.Describe the chief events of mitosis and show how these differ from meiosis. (V.V.I.) 2. What ‘checkpoints’ occur in cell cycle? What is the role of each? **Long Questions 1.Describe the phases of the cell cycle and the events that characterize each phase. Answer of short Definition is given below 1. Cell Cycle: The cell cycle is an orderly sequence of events
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The cell cycle‚ or cell-division cycle‚ is the series of events that take place in a cell leading to its division and duplication that produces two daughter cells. In cells without a nucleus‚ the cell cycle occurs via a process termed binary fission. In cells with a nucleus‚ the cell cycle can be divided in three periods: interphase—during which the cell grows‚ accumulating nutrients needed for mitosis preparing it for cell division and duplicating its DNA—and the mitotic phase‚ during which the
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Commercial Cells Galvanic Cell A Galvanic cell is also known as a Voltaic cell. It was named after Luigi Galvani and Alessandro Volta. A galvanic cell is capable of producing an electric current from a redox reaction that occurs within it and consists of two half cells. Each half cell consists of an electrode and electrolyte and a salt bridge. In a galvanic cell one metal can undergo reduction and the other oxidation. A typical galvanic cell is based on the spontaneous redox reaction: Net Ionic
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Philosophy Ego Theory and Bundle Theory Derek Parfit’s views on personal identity and the Ego and Bundle Theory are all summarized in his article “Divided Minds and the Nature of Persons”. In his article‚ Parfit explains the distinction between Ego theory and Bundle theory and provides several arguments against Ego Theory. Although it proves to be very difficult to believe the Bundle Theory‚ Parfit’s critique is convincing and well thought out. In order to defend the Bundle Theory of personal identity
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Topic 2: Cells 2.1.1 Outline the cell theory Outline: To give a brief account or summary All living things are made of cells Cells are the smallest unit of life Cells come from pre-existing cells 2.1.2 Discuss the evidence for the cell theory Discuss: Give an account including‚ where possible‚ a range of arguments for and against the relative importance of various factors‚ or comparisons of alternative hypotheses. 1: All living things are made of cells When living things are observed
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2. Draw and completely label a cell membrane. [pic] 4. List and briefly discuss the 5 components of cellular membranes. 1. Phospholipids layer- 2 layers ‚ polar and non polar ‚ polar facing the extracellular fluid and cytoplasm 2. Transmembrane proteins-integral membrane proteins are proteins that expand the membrane 3. Interior protein network-peripheral proteins are in the interior side of the membrane 4. Cell surface markers are glycolipids‚ carbohydrates/lipid
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Eukaryotic & Prokaryotic Cells Introduction: The Cell: The cell is a functional unit of all living organisms. Cells have evolved into two fundamentally different types‚ eukaryotic and prokaryotic‚ which can be distinguished on the basis of their structure and the complexity of their organization. The simplest organisms which consist of one cell are called prokaryotes. More complex organisms are called eukaryotes and they consist of many cells. Objectives: * Define the terms: Eukaryotes
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oxidized and thus causes reduction ELECTROCHEMISTRY INVOLVES TWO MAIN TYPES OF PROCESSES: A. Galvanic (voltaic) cells – which are spontaneous chemical reactions (battery) B. Electrolytic cells – which are non-spontaneous and require external e− source (DC power source) C. BOTH of these fit into the category entitled Electrochemical cells GALVANIC CELLS Parts of the voltaic or galvanic cell: o Anode--the electrode where oxidation occurs. After a period of time‚ the anode may appear to become smaller
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