Majeed Thaika Year 10-11 ------------------------------------------------- Contents 1 Cells…………………………………………………………………….…..pg-05 -Animal and plant cells (pg-05) -Specialised cells (pg-06) -diffusion (pg-07) -osmosis (pg-08) 2 Plants…………………………………………………………..………….pg-09 -photosynthesis (pg-09) -Factors affecting photosynthesis (pg-10) -Plants and minerals (pg-11) 3 Food Chains and Cycles………………………...………………….pg-12 -Food chain (pg-12) -Energy transfer (pg-13) -Pyramids of biomass
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Adaptation Definition: Adaptation is the process of how organisms develop special structures and internal processes to enable them to live in their environment. Definition: Adaptation is the 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
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CELL DIVISION Important Formula #1 In case of animal cells‚ cytokinesis takes place through cell furrow (centripetal). Cytokinesis takes place in plants by the formation of cell plate (centrifugal). Important Formula #2 Meiosis causes reduction chromosome number‚ so it is also known as reduction division. CELL RESPIRATION Important Formula #1 For oxidative phosphorylation‚ 2.5 ATP are produced per NADH and 1.5ATP per FADH2. (Approx.) Important Formula #2 Non-germinating live seeds and
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Chapter 10: The Triploblastic‚ Acoelomate Body Plan 1) Which of the following is not an acoelomate? a) Platyhelminthes c) Gastrotrichia b) Rotifera d) Turbellaria 2) Three important characteristics first appeared in the acoelomates. Which of the following is not one of them? a) bilateral symmetry c) an excretory system b) a true mesoderm d) nervous tissues 3) Acoelomates lack a body cavity because the __________ cells completely fills the area between the
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Exercise 1 (20 marks) 1. What happens to the blood pressure and heart rate when the arterial resistance is increased? When arterial resistance is increased‚ the blood pressure increases and heart rate decreases. For instance‚ when arterial resistance increased to 150%‚ systolic blood pressure increases to 132.8mmHg‚ diastolic pressure increases to 82.1 mmHg‚ and heart rate decreased to 51.8/min. 2. What might give rise to condition with increased
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1. 2. 3. All of Allison’s eggs will carry the X chromosome and 50% of Allison’s egg cells will carry the recessive allele (hexa). 4.a. There is a 25% chance that Allison and Tim will have a baby boy who is heterozygous for Tay-Sachs. b. No‚ the baby boy will not have Tay-Sachs he will be a carrier for the disease. The boy would only have the disease if he was homozygous recessive. | X | Y | X | XX | XY | X | XX | XY | 1:2 1:2 | T | t | T | TT | Tt | t | Tt | tt
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Lab 1: Environment in the Media Danger Caused by Wind Turbines on Winged Animals Name: Aiya Abdulrazak TA: Rhodri Taylor Due: Jan 26 2012 S/N: 211495074 Course: BIOL 1001 Section: M.05 Danger Caused by Wind Turbines on Winged Animals Wind turbines have been used for many years now. Wind turbines are affordable‚ charges batteries‚ and were the first kind of renewable energy. To humans‚ this was a great invention‚ but for birds
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|BUAD – 555 Decision Science |October 3rd. | | |2012 | |Mini Exam # 2 | | |Students’ Version
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AP ESSAY ANSWERS: 16-20 1. Information transfer is fundamental to all living organisms. For TWO of the following examples‚ explain in detail‚ how the transfer of information is accomplished. A) The genetic material in one eukaryotic cell is copied and distributed to two identical daughter cells. B) A gene in a eukaryotic cell is transcribed and translated to produce a protein. C) The genetic material from one bacterial cell enters another via transformation‚ transduction or conjugation
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Diffusion of Cell Size 2012 Kayla Szabo Loxton High School 2/20/2012 Rate of Diffusion Practical report Introduction: Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. Cells need to utilise diffusion to exchange materials from outside of the cell to the inside of the cell for them to survive. Diffusion is a passive process‚ which means it doesn’t involve the need of energy. For a cell to survive it relies greatly on its size
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