Biology Exam Review Unit One – Biochemistry What is an isotope? Isotope - An isotope is all atoms of the same element that have the same number of protons‚ but they may have different numbers of neutrons in the nucleus. - This means that all atoms with the same atomic number can have different atomic masses. - Because they have the same number of protons and electrons‚ they behave exactly the same in chemical reactions. Radioisotope - The nuclei of some isotopes of an element are unstable
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understanding of living organisms 8. How bacteria affect human lives 9. Energy transfers which take place inside living organisms. 10. How the structure of proteins is related to their functions 11. The structure and functions of carbohydrates 12. Cycles in biology 13. The movement of substances within living organisms. 14. The biological importance of water. 15. How the structure of cells is related to their function. 16. Heat and many different substances are transferred within the body and between the body
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process of how organisms develop special structures and internal processes to enable them to live in their environment. Organisms can be adapted in two ways: 1. Body structure (e.g. Small ears to reduce heat loss) 2. Body processes (e.g. Osmoregulation in salmon) There are several factors which cause adaptation to occur: Physical Factors * * * Other organisms * * * Adaptations Match the following animals to the adaptations below‚ and suggest
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Unit 8 Essay Prompts Sorry guys that this is so late... I just had to go to sleep. Anyways‚ this guide is to help inspire you about the essay prompts and provide a little info‚ you’ll have to do additional research on your own. Also‚ I’ll try to bring up better examples. 1) Explain and illustrate with one specific example of each of the following concepts: a) competitive exclusion (Gause’s principle) 1. definition = states that when two species with the same resource needs are put
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Vol 455 | 11 September 2008 | doi:10.1038/nature07271 ARTICLES Strigolactone inhibition of shoot branching ` Victoria Gomez-Roldan1‚ Soraya Fermas2‚ Philip B. Brewer3‚ Virginie Puech-Pages1‚ Elizabeth A. Dun3‚ Jean-Paul Pillot2‚ Fabien Letisse4‚ Radoslava Matusova5‚ Saida Danoun1‚ Jean-Charles Portais4‚ ´ Harro Bouwmeester5‚6‚ Guillaume Becard1‚ Christine A. Beveridge3‚7*‚ Catherine Rameau2* & Soizic F. Rochange1* A carotenoid-derived hormonal signal that inhibits shoot branching in plants
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Osmosis Experiment Diana Arrowood Grand Canyon University BIO-100L Biology Concepts September 16‚ 2011 Osmosis Experiment Directions Use the information below to complete the Osmosis Experiment. Materials 1 fresh baking potato Water Salt Four small containers (i.e.‚ drinking cups or clear glasses) A metric ruler Methods and Procedure 1) Place 1 cup (236 ml) of water in each of the 4 containers. In 2 of the containers‚ add 1 tablespoon (14.8 ml) of table salt and mix well until
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Biology‚ 7e (Campbell) Chapter 13: Meiosis and Sexual Life Cycles Chapter Questions 1) What is a genome? A) the complete complement of an organism’s genes B) a specific sequence of polypeptides within each cell C) a specialized polymer of four different kinds of monomers D) a specific segment of DNA that is found within a prokaryotic chromosome E) an ordered display of chromosomes arranged from largest to smallest Topic: Concept 13.1 Skill: Knowledge 2) Which of the following
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BIOLOGY (ZOOLOGY) Standard XI Untouchability is a sin Untouchability is a crime Untouchability is inhuman TAMIL NADU TEXTBOOK CORPORATION College Road‚ Chennai - 600 006. © Government of Tamilnadu First Edition - 2005 Chairperson Prof. T. SARGUNAM STEPHEN Dept. of Zoology Govt Arts College Nandanam‚ Chennai - 600 035. Reviewers Dr. D. Mony Reader in Zoology R. M. Vivekananda College Mylapore Chennai - 600 004. Dr. D. Sudarsanam Reader and H O D Dept. of Zoology Loyola College
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A2 BIOLOGY ESSAYS – The Synoptic Essay The essay titles will be very general and students are expected to draw on relevant information from the complete specification to illustrate their understanding of general principles. They may wish to include detailed knowledge of topics from any of the AS and A2 units. They may also gain credit for including material which stems from wider reading and reflects greater depth of knowledge. The choice of material to include lies entirely with the student
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Virtual Lab Enzyme Controlled Reactions Worksheet Which of the following does NOT apply to an enzyme Catalyst Inorganic Protein All of the above apply to an enzyme When an enzyme catalyzes a reaction Substrate(s) bind in the active site Products bind in the active site The shape of the enzyme remains unchanged The enzyme is consumed by the reaction Which of the following would interfere most with the ability of an enzyme to catalyze a reaction Reduced concentration of substrate available Reduced
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