An Introduction to General Microbiology (Brock 13th edition, Chapter 1)
Some mind altering unimaginable quantities:
If all the 1 x 1031 viruses on earth were laid end-to-end, they would stretch for 100
million light years (a light year is 9.5 x 1016 m or
A look at macromolecules (Text pages 51-65)
What is the typical chemical composition of a
cell? (Source of figures to right: Madigan et al.
Differential charge characteristics due to
excess of protons or electrons allows for
(see text pages 2531-277)
What are Viruses?
o Genetic elements that cannot replicate independently of a host cell.
o They are generally small
0.02 0.3 m
o They are metabolically inactive in the extracellular state
o They are host specific
Nutrition, Metabolism, and
(see pages 107-174)
Defined as the sum of all
chemical processes taking place
within a cell
Two distinct classes of reactions
Why are we concerned with these aspects of cellular l