Explain how beliefs in sanctity of life may influence ethical approaches to abortion This issue involves the principles associated with abortion and involves the consideration of the act of killing and the ethical questions that this raises. The belief that life is in some way sacred or holy is widely supported throughout several different cultures and religions‚ and is traditionally understood as being given by God. Believers in the Sanctity of Life take a deontological position in which love and
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after several days one or occasionally two follicles become dominant (non-dominant follicles atrophy and die). The dominant follicle releases an ovum or egg in an event called ovulation. An egg that is fertilized by a spermatozoon will become a zygote‚ taking one to two weeks to travel down the fallopian tubes to the uterus. If the egg is not fertilized within about a day of ovulation‚ it will die and be absorbed by the woman’s body. After ovulation the remains of the dominant follicle in the
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Diatom is part of the stramenopiles clade‚ which is considered to be plant-like autotrophs that are often called algae. These autotrophs are mainly photosynthetic using chlorophylls a‚ chlorophylls c and xanthophyll to undergo photosynthesis to convert energy from the sun. Some species of Diatom are colorless‚ but those that do have color get it from various pigments. Diatom have two halves of their cell wall making up what’s called a silica cell wall. The soft part of the cell wall decomposes‚ but
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Diversity of Life Concept 1.2 Organizing the diversity of life Diversity the hallmark of life So far about 1.8 million specie have been identified and named by biologists To this date‚ diversity of life includes at least 6300 species of prokaryotes 100000 fungi 290000 plants 52000 vertebrates 1 million insects Researchers add about 1000 more species each year Total number of species range from 10 million to over 100 million Grouping Species: The Basic Idea Taxonomy branch of biology
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homologous pair Interkinesis - Chromosome still consist of two chromatids 2. Mitosis is simple cell division‚ two identical cells. Meiosis is cell division for gametes (sex cells). from parents. 3. Gametes are haploid. 4. Fertilized egg is called a zygote. 5. Another name for a tetrad was a bivalent. Synaptonemal complex is a protein structure that forms between two homologous chromosomes during meiosis. Chiasma is the point where two homologous non-sister chromatids exchange genetic material. Crossing
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So in the last unit we studied about chemical basis of life. Now just Focus for a moment on biology‘s subject‚ ‗life‘. All living things on earth are characterized by cellular organization‚ growth‚ reproduction‚ homeostasis and heredity. These characteristics define the term life. Then what is inheritance? Inheritance is something you possess from your ancestor and carried along‚ it may be any asset‚ money or anything but when we connect with the life what we will take from our parental generation
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PRACTICAL 6 Seed Plants (Gymnosperms and Angiosperms) OBJECTIVES: 1. To describe the features of seed plant life cycle and the concept of the dominant generation. 2. To describe the life histories and related reproductive structures of gymnosperms and angiosperms. 3. To summarize the features that distinguish gymnosperms and angiosperms. 4. To discuss the advantages of seed plants to dominate land and their evolutionary adaptations on land. EXPERIMENT 1: Gymnosperms INTRODUCTION: Gymnosperms
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DISCUSSION ESSAY Human cloning: right or wrong? Since the arrival of the scientific temper in humankind around the 17th century‚ specially with the creation of the Royal Society‚ human beings began to discover things that once were thought impossible‚ and nowadays improvements in technology and science have allowed wonders like cloning. The concept of cloning may be defined as "the creation of a genetically identical copy of an existing‚ or previously existing‚ being or growing cloned tissue from
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the fetus. Some may argue that a fetus does not obtain “personhood” at conception because it is only a cluster of cells; it is an embryo‚ a zygote‚ and is not self aware. Therefore‚ the killing of a fetus is just. This argument is unsound in the fact that there are no set qualifications for personhood other than having human characteristics and feelings. A zygote is considered to be biologically alive; it fulfills all four of the criteria needed to earn the title: it has a metabolism‚ grows‚ reacts
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The zygote divides multiple times by mitosis in order to produce an embryo. The embryo then differentiates to become a plumule‚ radicle‚ and/ or one or two cotyledons‚ which is attached to the wall of the embryo sac by a suspensor. Endosperm tissue is produced
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