PChapter 17 notes Toward a new world view 1540-1789 * The scientific revolution * Scientific thought in 1500 * Thomas Aquinas- brought Aristotelian philosophy into harmony with christen doctrine * Ptolemy- planets move in epicycles * Origins of the scientific revolution * Permanent universities * Recovery of ancient works * Printing press * Copernican hypothesis * Nicolaus Copernicus 1473-1543- polish cleric
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Homework Title: Photosynthesis and Respiration 1) Define these terms and arrange them from smallest to largest: Ch 5 WIO #3 • Thylakoid membrane Answer: Thylakoid membrane is a compartment in a plant cell that has light pigment that carry out the photosynthesis process. • Chloroplast Answer: Chloroplast is a type of organelle found in plants and algae that carry our photosynthesis. • Reaction center Answer: Reaction center is where chlorophyll a molecule and other
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Paper 1 Chapter 1: Cell structure May/June 03 1 An actively growing cell is supplied with radioactive amino acids. Which cell component would first show an increase in radioactivity? A Golgi body B mitochondrion C nucleus D rough endoplasmic reticulum 2 Which pair of organelles has internal membranes? A chloroplasts and mitochondria B chloroplasts and nuclei C mitochondria and ribosomes D nuclei and ribosomes 3 Which combination is found in a prokaryotic cell? Endoplasmic reticulum DNA RNA Nucleus
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thalidomide‚ under a restricted access system‚ for the treatment of leprosy[->6] (Hansen’s Disease). As of 2001‚ thalidomide was in clinical trials as a way of treating some cancers and some conditions in AIDS. Australian researchers began a trial of the controversial drug in April 2002‚ involving 224 cancer patients over a two-year period. The study found thalidomide sparked a doubling of the number of 20 T cells[->7] in patients. This allowed their own immune system[->8] to attack and fight the cancer
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Name________________ Block 4 ______ Pushing the Limits – Strength! For each section: List ONE question that could be answered by the film about each of the different sections and state the answer. Bones Q - How Many bones is your skeleton made up of ? _______________________________________________________________________ A - The Skeleton is made up of 206 bones _______________________________________________________________________ Muscles – Superhuman strength Q- How does
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CORE ONE: MAINTAINING A BALANCE • IDENTIFY THE ROLE OF ENZYMES IN METABOLISM‚ DESCRIBE THEIR CHEMICAL COMPOSITION AND USE A SIMPLE MODEL TO DEMOSTRATE THEIR SPECIFITY ON SUBSTRATES. Enzymes are biological catalysts this means that they lower the energy required to start a chemical reaction within a cell but don’t get used up by that reaction. Every reaction and process in the metabolism of the cell is controlled by a specific enzyme. Enzymes are globular proteins whose shapes are specialised
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maintain constant internal conditions‚ and evolve. 2. List the levels of life’s organizational hierarchy from smallest to largest‚ starting with atoms and ending with the biosphere. Atoms‚ molecules‚ organelles‚ cells‚ tissues‚ organs‚ organ systems‚ organism‚ population‚ community‚ ecosystem‚ biosphere 3. What are the roles of natural selection and mutations in evolution? The roles of natural selection and mutations in evolution are that natural selection leads to adaptations which help
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Planning Introduction Stomata are pores on the bottom of leaves of vascular plants. The function of stomata is to allow gaseous exchange (transpiration) between the plant and the external environment (see diagrams below). This process is carried out by the plant‚ which controls the opening and closing of stomata via the guard cells. The more stomata a leaf contains the greater the rate of gas exchange and the less water it will be able to accumulate. Stomatal pores are formed between
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debate and exchange of ideas that it protects to this day. The Declaration of Independence states the purpose of government is to protect our basic human rights. This was one principle that all the Founders did agree on. But if they created a great system to protect rights‚ why did they argue about a bill of rights? Who Were the Federalists and Anti-Federalists? Two groups formed during the discussion over a bill of rights. Federalists strongly supported the Constitution as it was written and
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B io Factsheet September 2000 Number 76 The Eukaryotic cell cycle and Mitosis This Factsheet covers the relevant AS syllabus content of the major examining boards. By studying this factsheet the candidate will gain a knowledge and understanding of: • the different phases of the eukaryotic cell cycle (a eukaryotic cell has membrane bound organelles) • the importances of mitosis • the process of mitosis The eukaryotic cell cycle Fig 2. Quantity of DNA in the cell during different
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