Chapter 1

Chapter 1 - ellBiology C ChapterOne A cell is a basic unit...

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Cell Biology      Chapter One     A cell is a basic unit of biology. Some History Robert Hooke created a microscope and looked at slices of cork. (1965). Thought he was looking at cells but, he was looking at cell walls of dead plant tissue. Magnifying power wasn’t that good. Antonie van Leeuwenhoek created microscope with more magnifying power. (300X). He was first to see living cells like blood cells, sperm cells, bacteria and single celled organisms. Robert Brown found that every plant cell has nucleus. Matthias Schleiden said that all plant tissues are made up of single cell. Theodor Schwann made similar conclusion about animal tissues. The cell Theory 1. All organisms consist of one or more cells. 2. The cell is a basic unit of life. 3. All cells come from preexisting cells. The modern cell biology is made up of three different fields. 1. Cytology 2. Biochemistry 3. Genetics The Light Microscope Earlist tool that was available to look at cells. Can see organelles like mitochondria, nuclei, and chloroplast.
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This note was uploaded on 11/17/2010 for the course BIO 205 taught by Professor G during the Spring '10 term at WPUNJ.

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Chapter 1 - ellBiology C ChapterOne A cell is a basic unit...

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