12. Briefly discuss the role of the electron transport chain in cellular respiration. In your explanation‚ discuss and identify key molecules involved in this process and explain their relationship which each other in terms of how they contribute to the main cellular purpose of this process. Electron transport chain plays a key role of in the production of oxygen in cellular respiration. ETC uses many enzymes located on the inner mitochondrial membrane during the production of oxygen. The source
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each pair of alleles splits up or segregates so that only one allele from each pair is contained within a gamete (egg or sperm.) This is Mendel’s Law of Segregation. In sexual reproduction egg and sperm from parents unite to form a new individual or zygote. Thus‚ each parent contributes one allele for each genetic locus. Mendel’s Law of Independent Assortment states that during meiosis‚ each pair of alleles is assorted randomly and inherited independently of the others. Note that this principle holds
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Somatic Cells Transcription Punctuated Equilibrium Acid Gametes mRNA splicing Autotroph/ Heterotroph Base Interphase Translation Biome Polymer Mitosis Codons Kinesis Monomer Cytokinesis Promoter Taxis Denaturation Zygote Introns Carrying Capacity Endergonic Haploid Exons Parasitism Exergonic Diploid Anticodons Commensalism Feedback Inhibition Meiosis Mutation Mutualism 1. Given the atomic number of an element‚ be able to determine
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Organ Systems Project (Digestive‚ Excretory‚ Circulatory‚ Reproductive‚ Nervous) There is an enormous variety of life on our planet Earth ranging from simple cell bacteria to complex multicellular animals. Animals are creatures in the kingdom Animilia‚ one of the kingdoms in Whitakers 5 kingdom system. Their bodies consist of 555tanimal eukaryotic cells. Meaning their cell or cells contain a nucleus‚ are surrounded by a cell membrane (phospholipid bilayer) and can self-reproduce in a free
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The seven processes of life The seven processes of life are the key to all living organisms: these processes consist of nutrition‚ growth‚ movement‚ respiration‚ reproduction‚ sensitivity and excretion. Although‚ they may be achieved in different ways depending on the organism. These processes happen with in both plants and animals; in each organ‚ cell and organelle. All these processes are interlinked and have a chain effect upon one another. Without one of them the others aren’t possible.
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Learning Pack for Biological Diversity – Unit 1 (Science in Action 9) Copyright 2005 – Developed by Edquest Resources (www.edquest.ca) 1 Learning Pack for Biological Diversity – Unit 1 (Science in Action 9) 2 ‘Focus in Action’ UNIT LEARNING PACKS These booklets are designed to provide Grade 9 students with all the resources needed to review or reinforce concepts‚ covered in the Alberta Science Curriculum‚ and included in the Grade 9 Science Final Exam in June. There are circumstances
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Here is cbse 2007 question paper of science: CBSE X SCIENCE AND TECHNOLOGY (Theory) 2007 (OUTSIDE DELHI) Time allowed: 2 hours 15 mins; Maximum Marks: 100 General Instructions: | 1) | The question paper comprises of two sections A and B. You are to attempt both sections. | 2) | You are advised to attempt all the questions of Section A and Section B separately. | 3) | All questions are compulsory. | 4) | There is no overall choice. However‚ internal choice has been provided in some questions
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ovum‚ travel down fallopian tubes Fertilisation – sperm released at orgasm travel through cervix‚ uterus to ovum in fallopian tube. Sperm enters‚ nuclei fuse. ½ DNA mum/ ½ dad (Sex determined) zygote formed. Zygote to Embryo – zygote divide by mitosis‚ form human‚ placenta and amnion. First 8 weeks zygote becomes embryo (all major organs formed‚ harmful substances can harm developmental period) Embryo to foetus – next 32 weeks‚ embryo becomes foetus + continues development Birth – contractions
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Purpose Spermatogenesis produces mature male gametes‚ commonly called sperm but specifically known as spermatozoa‚ which are able to fertilize the counterpart female gamete‚ the oocyte‚ during conception to produce a single-celled individual known as a zygote. This is the
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The Sperm and the Egg PSY/265 August 26‚ 2011 The Sperm and the Egg The main function of the sperm cell is to locate an egg‚ and fertilize it forming a zygote. Sperm cells are believed to have a sense of smell in which they use to locate the egg which is one of the clue factors sperm cells use‚ sperm cells do not just swim around randomly before locating an egg to fertilize. In the females reproductive tract it becomes warmer as the Fallopian tubes are neared. That is also another clue factor
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