PSYC1001 – Notes Introduction & Psych Perspectives What is Psychology? Psychology is the scientific investigation of mental (thinking‚ remembering and feeling) and behaviour. Understanding a person requires attention to the individual’s biology‚ psychological experience and cultural context. Behaviour – Overt (observable) actions; Physiological correlates of actions Mental Processes – Thoughts (memories‚ imagery‚ concepts); Emotions (fear‚ happiness‚ anger‚ arousal); interactions between
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Abortion During the past quarter century‚ abortion has joined race and war as one of the most debatable subject of controversy in the United States. It discusses human interaction where ethics‚ emotions and law come together. Abortion poses a moral‚ social and medical dilemma that faces many individuals to create a emotional and violent atmosphere. There are many points of view toward abortion but the only two fine distinctions are "pro-choice" and "pro-life". A pro- choicer would feel that
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research to help with Parkinson’s disease‚ knowing that this can and will be the cure for genetic disorders many people have privately funded the research. Stem cells can also be used to alter chromosome 21‚ which is the genetic mutation that occurs in zygote development causing Down syndrome. By obtaining eggs from a female‚ research on these mutations can further enhance are knowledge and someday give us the ability to use Nuclear transfer to rid human kind of such disorders in our
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I. Describe the structure and function of the nucleus and mitochondria. The mitochondria is a semi-autonomous organelle which reproduces by bynary fission and has its own DNA. Its main function is to produce the energy intermediate ATP‚ through ATP synthase. Mitochondria could be considered a cell inside a cell. It has its own membranes (inner and outer membranes)‚ its ribosomes (to produce the proteins encoded in its DNA)‚ a matrix -- where aerobic respiration occurs. The invaginations of the inner
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function of gastrulation is the morphogenetic movement whereby the three layers become establishedx. It is also the first stage where cleaving‚ budding egg transforms to take some semblance of the prospective embryo. Three days after fertilisation zygote undergoes cell division which results in bulk of cells called morulax which in-turn undergoes transformation where morula interior hollows out; this structure is blastocyst in mammals. In the 2nd week‚ mesenchymal cells arrange along the prospective
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first 12 weeks of pregnancy‚ known as the first trimester‚ abound with changes and growth in the unborn baby. It takes up to two weeks for the process to be completed for you to become pregnant. In the 3rd week‚ sperm and egg come together to create a zygote. In the fifth week‚ though the unborn baby is less than 1/4-inch long‚ her brain‚ heart‚ spinal cord and other vital organs begin to form. The baby’s circulatory system also begins the first stages of development. Sixth and seventh week‚ Some of the
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metabolic rate of the egg‚ as well as the synthesis of proteins‚ RNA‚ and DNA. Each of these steps is fundamental to preparations required for embryonic development. If the initial release of Ca++ during egg activation takes place‚ the developing zygote will be able to continue
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attention from the rat-race pursuit of going to work just to maintain what we’ve acquired‚ to a more meaningful quest for real understanding‚ we truly will separate ourselves form the animals. The exploration of our universe‚ for example‚ is in its zygote stage; we know little enough about the community in which we live. How can we be so egocentric as a race to be on a tiny planet in a vast universe and not explore our
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(DNA) have already mapped out our hereditary details in the man’s sperm and the women’s egg. Our genes are like an instruction manual for our bodies. They affect our look‚ our health‚ and how our minds work. A zygote is women’s eggs that have been fertilized by the man’s sperm. The zygote consists of 23 pairs of chromosomes: 23 singles chromosomes from the man’s sperm and 23 from the women’s egg (46 in total)
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Exam Review – January 2013 Diversity Unit - List taxonomic ranks in order. What is the significance of this order? Domain‚ Kingdom‚ Phylum‚ Class‚ Order‚ Family‚ Genus‚ Species. Classification of species: kingdoms contain many different types of organisms‚ each taxon contains progressively fewer types of organisms‚ taxon “species” is narrowest category‚ containing only one type of organism. As you go from kingdom to species‚ organisms share more and more in common. - Explain and give an example
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