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INTRODUCTION. I. Cell Biology. A. Definition. B. History of Cell Biology. 1. Microscope Development. a. Zacharias Janssen , 1595 first light microscope. b. Galileo , 1609 focusing device. c. Robert Hooke , 1665 coined “ Cellulae”.

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I. CellBiology

A. Definition

B.History of Cell Biology

1.Microscope Development

a. Zacharias Janssen, 1595 first light microscope

b. Galileo, 1609 focusing device

c. Robert Hooke, 1665 coined “Cellulae”

d. Anton VanLeeuwenhoek, 1672 “Homunculus” and “Animalcules”

e. Charles Spencer, 1850’s first compound scope

f. Max Knot & Ernst Ruska, 1933 first electron microscope

2.Basics of Cell Theory

a. Robert Dutrochet, 1824 plants made of cells

b. Robert Brown, 1824 Brownian motion & thenucleus

c. Theodor Schwann & Matthias Schleiden, 1839 Cell Theory

i. The cell is the basic unit in living organisms.

ii. The cell is the building block of organisms.

d. J. Purkinji, 1840’s coined the term protoplasm

e. Rudolph Virchow, 1859 “Spontaneous Generation”

iii. Cells arise from preexisting cells.

3.Cellular Control

a. Karl VanNageli, 1846 plant cells derived from direct division of maternal cells

b. E. Strausburger & Walter Fleming, 1840’s directions for growth and division of cells contained in the nucleus

c. Gregor Mendel, 1860’s proposed a hereditary molecule was responsible for expression of traits in an organism

d. Frank Meischer, 1871 proposed nuclein material of nucleic acids

d. Robert Altmann, 1889 purified nucleic acids into purine and pyrimidine bases DNA in all cells, while RNA variable

e. James Watson & Francis Crick, 1953 summarized research and built model of DNA

II. Characteristics of Life

A. Highly Organized

Molecules Biosphere

Molecules Biosphere

Figure 1.3

B. Transform Energy


Figure 1.4

C. Reproduce

Variationin Nature

Variationin Nature

Variationin Nature

D. Grow & Develop

Stages and Accomplishments

Stages and Accomplishments

Stages and Accomplishments

E. Irritable & Adaptable

Daily Adjustments vs. Population Changes

Daily Adjustments vs. Population Changes

F. Practice Homeostasis

Balanced against Change

Balanced against Change

Negative vs. PositiveMechanisms

Negative vs. PositiveMechanisms

Figure 1.12

Figure 1.11

III. Types of Cells

A. Size Limits

Surface Areavs.Volume Dilemma

Figure 6.2

Surface Areavs.Volume Dilemma

Figure 6.2

B. Prokaryotes

1.Size Limits


C. Eukaryotes

1.Size Limits


Figure 6.9

Figure 6.9

D. Viruses


The parts == protein (capsid , landing gear, and injector) surrounding a nucleic acid core (genome= can be DNA or RNA)

Figure 18.4


1. Lytic = inject, insert, take over, direct, and destroy

Figure 18.6

2. Lysogenic = same except hide for a time then lytic

Figure 18.7

D. Viroids & Prions


IV. Cell Biology Related Topics

That’s all for now folks!!!!