Dehaney | Start Date | 20/05/15 | Submission Date | 10/06/15 | Feedback Date | 17/05/15 | Vocational Context | Task 1 - 3 (P1,P2,P3)You are working in a health clinic and have been asked to produce a poster to explain the functions of the main cell, tissue and body components to display in the clinic. Task 4 (P4,M1,D1)You are an advisor in your local sports centre and you have been asked to design and produce an information booklet to explain to clients how the body requires and utilises energy
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Endocytosis is when a substance gains entry into a cell without passing through its cell membrane. A cell's plasma membrane encloses and fuses to lock foreign material inside. An intracellular vesicle is formed as result .The ribosomes of the inner structure in chloroplasts and mitochondria resemble prokaryotic ribosomes. Evolutionist Lynn Margulis proposed the idea in the late 1960’s. In 1970 she published her argument in The Origin of Eukaryotic Cells. The controversy surrounding theory is that it
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Review Biology Test #1 Chapter 3: Water and life • Polar covalent bonds in water result in Hydrogen bonding between the molecules. These bonds give water its special properties • In presence of water, ionic bonds are weak and covalent bonds are strong. Without water, ionic bonds are stronger. • Each water molecule can make 4 hydrogen bonds. • Water properties: 1. Polarity 2. Surface tension 3. Cohesion 4. Adhesion 5. Capilarity 6. High specific heat 7. Heat bank 8. Heat of vaporization
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DNA today. Cloning, gene therapy, stem cell research, and genetically modified foods all began with the discovery of DNA and probably would have been unimaginable in anyone’s eyes in the 1800’s. But scientist’s today are manipulating genes and DNA in an effort to prevent disease, cure disease, and feed the world. History was made on July 5, 1996 when Dolly the sheep was born. She was the first mammal to be cloned from adult DNA. By splitting two-cell embryos apart, scientists were able to
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0Unit 5: Anatomy and Physiology for Health and Social Care. Aim and purpose This unit aims to enable learners to understand aspects of the anatomy and physiology of human body systems. Learners will be able to gain an overview of the organisation of the human body before looking at how body systems work together to provide energy for the body. Learners will have the opportunity to investigate how homeostatic mechanisms operate in the body. Unit introduction This unit introduces core
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AS Biology: OCR Syllabus Module 1.1.1 3.1 AS Unit: Cells, Exchange and Transport Module 1: Cells 1.1.1 Cell Structure Candidates should be able to: (a) state the resolution and magnification that can be achieved by a light microscope, a transmission electron microscope and a scanning electron microscope; Light Microscope Transmission Electron Microscope Scanning Electron Microscope Resolution 0.2 μ (200nm) 0.2nm 0.2nm Magnification ≈ ×1500 / 2000 Over 500
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Week 1 – HOW LIFE WORKS: Biology – Science of How Life Works; study of life; attempt to understand processes of life. How life works - many levels. Three levels: -Molecular mechanisms within the cell -Integrated actions of many cells within an organ or body -Interactions among different organisms in nature Life Processes – Microscopic and macroscopic levels: All methods of scientific study use the Scientific Method Scientific Method –
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them. Eukaryotic cells are not all the same size as seen by comparing the size of the cheek cell to the size of a fungi cell. This can also be observed in just the cells of the different kingdoms of eukaryotes: protists, fungi, plants, and animals. 4. As seen in the elodea cell it is possible to see the cell wall, chloroplasts, central vacuole, and nucleus in plant cells as well as the plasma membrane, nucleus, and cytoplasm within animal cells. 5. In all of the cells it was possible to
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diversity; applied topics which study the ways in which plants may be used for economic benefit in horticulture, agriculture and forestry and organismal topics which focus on plant groups such as algae, mosses or flowering plants. Core topics Cytology — cell structure, chromosome number Epigenetics — Control of gene expression Paleobotany — Study of fossil plants and plant evolution Palynology — Pollen and spores Plant biochemistry — Chemical processes of primary and secondary metabolism Phenology — timing
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plant cells and the human cells were viewed in the microscope, they took on differentiating forms, enabling visual differentiation of the two forms of cells. The onion skin cell, an example of a plant cell, generally has a rigid, rectangular shape. The onion skin cells were positioned beside each other (length touching length, width touching width) and formed a checkered pattern. When observing the onion skin cell, we noticed that the cells took on a brick-like structure and within the cells, small
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