BIO 200 Lecture Notes - Lecture 8: Matthias Jakob Schleiden, Theodor Schwann, Robert Hooke
3 Jun 2019
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Document Summary
Cells are considered the basic unit of organisms. It is vital that you learn about their basic structure. In bio. 200 we deal some general evolutionary concepts. You need to know the key differences in the two major kinds of cells in the world: Cell: cells are considered the basic unit of organisms. All organisms are either individual cells, collections of cells, or derivatives of cells. Cell theory: living organisms composed of one or more cells, the smallest unit of life, cells come from pre-existing cells, the basic unit of life. Organelle: tiny little organs of the cell, nucleus, mitochondria, chloroplasts, Prokaryote: bacteria and blue green algea, simplest cells, smallest cells, oldest cells (3. 5 billion years old). Unicellular, asexual, circular dna, composition: protected interior (cytoplasm) that contains genetic material (one circle of dna) as well as complexes of protein enzymes to carry out necessary functions of gathering energy, manufacturing proteins (ribosomes) etc.
