Bio 1030 - Lecture 6

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Micro Organisms

4 Microorganisms

1) Bacteria
2) Cyanobacteria
3) Fungi
4) Protists

Bacterial sizes range from..

1mm - 1 um

Bacterial Cell Shapes

Coccus
Bacillus
Coccobacillus
Spiral
Pleomorpgic

Bacterial Arrangements

Pairs, clusters, chains, and random

Bacteria Structures

Have no organelles / cell wall
Internal: Nucleoid/Ribsomes
External: Capsule/Pili/Flagella

Bacteria divide by

Binary Fission - Continuous growth and continuous DNA synthesis

Cynobacteria are

-Photosynthetic prokaryotes
- Anabaena
-Heterocysts with Nitrogenous fixation

Nucleariids

Predecessor to all fungi and an opisthokont protist

The fungi

Hyphae - Tubular/Branched
Mycelium - Aggregation
Animal- Like with Glycogen and fats
Cell walls

Biology of Fungi

Absorptive heterotrophs
Parastitic
Predatory

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