BIOL 1080 : BiO 1080 Week 1 notes.doc

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Bio 1080 week 1 reading notes text & online. No single definition applies to all forms of life, therefore we can only characterize life not define it . Can only list the traits associated with life. Scientists agree in general these following statements characterize life: 1. living things contain nucleic acids, proteins, carbs and lipids. Living things can comnine certain elements of over 100 to create molecules that are found in all living organisms. Which include the first 4 elements stated: living things are composed of cells. Unicellular organisms (1 cell) or multicultural (many cells) such as humans. Because cells can divide to form new cells, reproduction, growth and repair are possible: living things grow and reproduce. Living things grow and generate new individuals that carry some of the genetic material of their parents. Bacteria reproduce by making new and almost exact copies of themselves. Humans & other organisms, reproduce by combining genetic material with another individual.

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