wall‚ plasma membrane‚ ribosomes‚ flagella Protist: Macronucleus‚ micronucleus‚ plasma membrane‚ cytoplasm‚ contractile vacuole Plant Cell: Nucleus‚ cell wall‚ plasma membrane‚ cytoplasm‚ chloroplast‚ mitochondria‚ vacuoles Animal Cell: Nucleus‚ nucleolus‚ plasma membrane‚ cytoplasm‚ mitochondria‚ golgi apparatus‚ rough ER‚ ribosome Questions 1. For each structure identified‚ do you think its location affects
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8/17/2014 NCERT Solutions for Class 8th Science Chapter 8 Cell-Structure and Functions NCERT Solutions for Class 8th Science Chapter 8 Cell-Structure and Functions August 6‚ 2014 by Anand Meena<http://schools.aglasem.com/?author=1> Class VI to X CBSE Notes thedigilibrary.com/CBSE-NOTES Free Ncert Solutions‚Video‚Notes & More. Register Now & Get started! NCERT Solutions for Class 8th Science Chapter 8 Cell-Structure and Functions National Council of Educational Research and Training (NCERT) Book
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Ross Cambe 3. Molecular microbial ecology and stable isotopes. 14C and C13 Dating- gives us an idea for life‚ when life began and what environment looked like Radioactive- determines how OLD the material is in the environment Stable- Biological ORIGIN of material in environment Based on the concept that during life‚ every living thing accumulates certain amount of 14C Helps us date organisms or discoveries Biogenic origin vs. abiotic origin: 13C. fixed proportion of C12 to 13C Preferential
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Lab Report T 1:35 Prof. Clemente Fernandez MCB2010L 11/19/13 Cristina Carvajal Fatima Hussain Nordia Johnson Jessica Rignack Amoeba: It is a unicellular protozoan that lacks a definite shape. Live in both fresh water and marine habitats. Some are found in soil‚ and many have adapted to parasitic life on the body of marine animals or internal organs of both aquatic and terrestrial animals. Amoeba reproduces asexually by binary and multiple fissions. They eat algae‚ bacteria‚ other
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therefore the energy is ‘light’ from the sun. This is absorbed by a green substance called chlorophyll in the leaf. Therefore‚ photosynthesis takes place in the chloroplasts which are present in the palisade cells (found near the top of the leaf.) (fig: 1 ) As chloroplasts contain a green pigment called chlorophyll‚ which absorbs light energy needed to make photosynthesis happen. The equation for this reaction is: 6CO2 + 6H2O+ light
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History of microorganisms’ discovery Anton van Leeuwenhoek was the one of the first people to observe microorganisms‚ and used a microscope of his own design‚ and made one of the most important contributions to biology. [18] Robert Hooke was the first to use a microscope to observe living things; his 1665 book Micrographia contained descriptions of plant cells. Before Leeuwenhoek’s discovery of microorganisms in 1675‚ it had been a mystery why grapes could be turned into wine‚ milk into cheese
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membrane Controls the movement of substances into and out of the cell Mitochondria Most energy is released by respiration here Ribosomes Protein synthesis happens here Extra parts of plant cells Part Function Cell wall Strengthens the cell Chloroplasts Contain chlorophyll‚ which absorbs light energy for photosynthesis Permanent vacuole Filled with cell sap to help keep the cell turgid Bacterial Cells A bacterium is a single-celled organism. A bacterial cell has a different structure to an
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15. Nucleus has DNA Mitochondria- converts chemical energy into usable compounds Ribosomes- assembles proteins Chloroplast-converts sun’s energy into chemical energy and is only found in plants 16. Osmosis 17. ATP- stores and releases energy by breaking polypeptide bonds. 18. Photosynthesis releases energy‚ sugars‚ into plants. It takes place inside of the chloroplast and it uses water and CO2 to produce oxygen and sugars. 19. 6CO2+6H2O and light sugars+oxygen Carbon dioxide
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Gymnosperm | A group in seed producing vascular plants that produce cones and are evergreen | Exoskeleton | A external skeleton that protects organs‚ provides support for muscles attachment and protects against water loss and predation | Chloroplast | The site of photosynthesis in plant cells | Nucleolus | Contains genetic info that controls eukaryotic cells | Ribosomes | Produces protein in a cell | Phylogeny | The evolutionary history of a species | Rank | A level in a hierarchical
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WHAT IS PHOTOSYNTHESIS? 3 Every day the total amount of energy that is captured through photosynthesis all across our planet is equal to approximately 135 terawatts. Now to put this number into perspective the entire human race consumes approximately 15 terawatts of energy daily. This means that there is 9 times more energy being absorbed every day through photosynthesis‚ as there is energy being consumed by all of mankind (Bridges 2008). In order to fully understand photosynthesis
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