saclike form called asci (singular - ascus). Inside the asci‚ karyogamy occurs and combines the two parental genomes‚ and then meiosis forms genetically diverse ascospores. Eight ascospores can be found lined up in a row in the asci; they form a single zygote‚ which is diploid.
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there has been a continuous ethical and legal debate regarding the topic of intentional abortion. This debate focuses mostly on when life begins. Within the debate‚ there are individuals called anti-abortionists that believe human life begins at a zygote and aborting this unicellular mass is both legally homicidal and morally unethical. The opposite‚ an abortionist’s argument‚ is that life does not begin until birth of the baby and therefore abortion is both ethical and legal (Gordon‚ n.d.). This
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When a baby is first conceived it is genderless for the first seven weeks of development and‚ since there is no gender‚ the development for males and females during this period is identical. At seven weeks when the sperm and egg combine to form the zygote‚ the genes activate the babies’ biological sex. Everyone has 23 pairs of chromosomes and the 23rd pair is made up of the sex chromosomes that determine biological sex. The baby will be given two different sex chromosomes an X from the
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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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UNIVERSITY OF NAIROBI SCHOOL OF ECONOMICS INTRODUCTION TO PSYCHOLOGY PRESENTED BY: NJUE ANGELINE WANJA X74/53648/2012 PRESENTED TO: PROFESSOR GATUMU 1. MAKE A DISTINCTION BETWEEN NATURE AND NURTURE Nature is the inherent character or basic constitution of a person or thing while nurture is the sum of the environmental factors influencing the behavior and traits expressed by an organism. 2.IDENTIFY THE RECOGNISED EFFECTS OF NATURE AND NURTURE ON BEHAVIOUR AND DISCUSS THE MAJOR ISSUE CONCERNING
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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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