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ALL Chapter 2 Biotechnology

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ALL Chapter 2 Biotechnology
stephanie lombardi block f
2.1 What are Organisms and Their Components? (Pgs. 37-41)
­ organisms are living things with components that biotechnologists work directly with
­ they are the raw materials of biotechnology
­ cells are the smallest unit of life that makes up all living organisms, these can be manipulated in many ways
­ Escherichia Coli (E.Coli) is a bacterium that is commonly used by biotechnology companies for the development of products
­ multicellular­ composed of more than one cell
● frost resistant strawberry plants or endangered animals
­ any fields of biotechnology require a thorough understanding of cellular composition
● Biochemistry (chemistry of all living things) cytology (cell biology) anatomy
(structure) and physiology (function)
What is The Living Condition?
­ the earth is home to a tremendous diversity of living things
­ biologists estimate there are 20 million different species
­ an organism exhibits “the characteristics of life”
● activities include: growth, reproduction, response to stimulation, respiration (breakdown of food molecules), production of waste
● organisms composed of only one cell are unicellular
○ E.Coli, protozoans (amoeba), and algae
○ must use a microscope in order to view these organisms
What are the Levels of Biological Organization?
­ plants, animals, and fungi are all examples of multicellular organisms, grouped into functional units
● tissues (muscular or nervous) and organs (skin, liver, and stomach) are a couple functional units that perform different jobs to endure the whole organism can survive
● cells require energy in order to create proteins
­

atoms →molecules →organelles →cells →tissues →organs →organisms

­

Eukaryotic cells have a membrane bound nucleus (plants, animals, fungi & protist) and are made up of tiny units
­ protist are from the kingdom of protozoans (slimes & certain algaes) organelles are specialized microscopic factories, each w/ a specific job in the

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