The Beginning of Human Life Form Essay -- Artificial Protocells Essays

The Beginning of Human Life FormAs accomplishment and technology advance, an understanding of the generator of life becomes a feasible possibility. unlifelike life research seeks to mimic life and to gain knowledge of the origin of life through reenacting it. This research strives to effect the simplest possible organism that fulfills on the whole of the requirements of life. These researchers define life as that which can evolve, self-reproduce, metabolize, adapt to environmental changes, and, ultimately, die. A fundamental concept behind research attempts is emergent properties, those that arise in more complex levels and are not predictable from the properties of lower stratified levels. Researchers use two approaches to create protolife the pervade up approach strives to create life from nonliving components, while the top down approach attempts to modify living cells to create the simplest possible cell and thus give a glimpse of a possible form of the first living cell. The bottom up approach seems to be the more widely attempted method acting because it is believed that if nature had to start with simple building blocks, we should do the same.There are two theories about the order in which life emerged one assumes the primacy of metabolism and cellular organization while the other assumes the primacy of reproduction and genetic tuition (Lifson). Thus, practically relevant research focuses on determining whether the origin of life began with self-replicating, information storing molecules (such as RNA or PNA) or with other molecules such as lipids or proteins (which form, for instance, encapsulating membranes). Whatever the order in which these characteristics evolved, there are trey components a protocell m... ... Internet enrolment accessed 11/21/04. http//www.geocities.com/giantfideli/CellNEWS_Scientists_to_Create_A_New_Form_of_Life.htmlLifson, Shneior. On the of the essence(p) Stages in the Origin of Animate Matter. Journ al of Molecular Evolution (1997) 441-8.Rasmussen, Chen, et al. Transitions from Nonliving to Living Matter. Science. Volume 303. 02/13/04. Rasmussen, Steen, et al. Bridging Nonliving and Living Matter. (2003). Bada, Jeffrey L. and Antonio Lazeano. Prebiotic dopeRevisiting the Miller Experiment. Science. Vol. 300 745-56. May 2003.Scientists Create a Virus. CreationTalk.com Forum. Internet document accessed 11/21/04. http//www.creationtalk.com/message-board-forum/viewtopic.php?t= 482&view=nextZimmer, Carl. What Came before deoxyribonucleic acid? Discover. Vol. 25 34-41. June 2004.