All organisms that are considered to be alive must possess certain key characteristics or functions. These include: order‚ response to the environment‚ reproduction‚ growth and development‚ regulation‚ energy processing and evolution. Since we recognize life by what living things do‚ these seven characteristics serve to define life. Organisms consist of one or more cells and while they may be very complex they are highly organized and coordinated. Inside each cell‚ atoms make up molecules.
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existence‚ there has always been and always will be war. History all throughout the world holds numerous acts of war dating all the way back to the early years of civilization‚ up until even today’s most recent problems. I believe war is a perfectly necessary action‚ especially when a hostile force makes unjustifiable attacks that put the safety of our country at jeopardy. This does not mean that every issue’s solution has to be war. Simply‚ this means you deserve to be able to protect yourself against
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A planarian is free-living flatworm that lives in fresh water. Planarians are organisms that live in freshwater. Planarians are part of the metazoan phylum. Animals in the metazoan like jellyfish have the ability to regenerate (Raymond 511-512). Planarians are closely related to animals like jellyfish and starfish. These animals shared the same special ability to regenerate; starfish are able to regenerate their arm when it is cut off. Jellyfish are able to regenerate their stinger when cut off (Li
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GENETICS (DNA - CHROMOSOMES) 7/16/2013 DNA – Chromosomes - Genes DNA •DNA: the chemical inside the nucleus of a cell that carries the genetic instructions for making living organisms. •The material inside the nucleus of cells that carries genetic information. • The scientific name for DNA is deoxyribonucleic acid. D.J.A 1 7/16/2013 http://www.ncbi.nlm.nih.gov/ Chromosomes • A chromosome is one of the threadlike "packages" of genes and other DNA in the nucleus of a cell. • Different
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reactions that the living cells and organisms use to maintain life. It also divides into two categories: Catabolism – that breakdown the molecules to obtain energy and Anabolism – that creates all of the compounds that the cells need to function. Nutrition is an important part of the availability of nutrients that utilized in the reactions that either synthesize or catabolize the material that is employed by the cells to produce power. This power is a requirement by the organism to synthesize proteins
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Why censorship is necessary ? Obviously censorship in films and other medias is needed. The richness of today’s films is present without government monitoring the contents‚ yet some types of films are offensive and even some types contain child pornography which leads to the increase of the sexual harassment phenomena. What is censorship? Censorship is a form of prohibition and punishment. Censorship involves people’s point of view on politics and religious issues‚ issues related to social
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“Cells are the building blocks of tissues and therefore multicellular organisms. Using specific examples‚ describe some of the mechanisms used by cells to provide organisation within tissues containing different cell types.” One cannot adequately contemplate the organisation of tissues‚ let alone organisms. Words fall short when explaining the sheer vastness of their complexity. It is incredible that such astonishingly patterned structures can be formed from so many individual cells but greater
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rule over Egypt. They were the descendents of Ptolemy I‚ a general of “Alexander the great” that became king of Egypt once Alexander’s death in 323 B.C... Cleopatra was known for the love she had for her country‚ and how she would do whatever was necessary for the best of here country. Cleopatra VII was born in Egypt in 69 B.C… Her father was the pharaoh of Egypt‚ Ptolemy XII‚ nicknamed Auletes or "Flute-Player." Cleopatra’s mother was most likely her father’s sister‚ Cleopatra V Tryphaena. She had
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I believe that cell phones are necessary in teen’s lives for the following three reasons. Firstly‚ they are a good social way to keep in contact with friends and family. Secondly‚ they are a fast and easy emergency resource. Thirdly‚ cell phones are an easy way to access the internet and they are entertainment to teens. Firstly‚ I believe that cell phones are a good social way to keep in contact with friends and family for the following three reasons. A lot of teen’s need to keep in touch with
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extremely simple form of learning‚ in which an organism‚ after a period of exposure to a stimulus‚ stops responding to that stimulus in varied manners. The process by which new behaviors become automatic is habit formation.” (Wikipedia‚ 2012) Throughout the years‚ different people have come up with different research findings that proposing different number of days of repetition required for this habit to be cultivated. So what exactly is the number of days required to form a habit? 21‚ 40‚ 66? To
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