Lecture 9 - General Characteristics of Prokaryotic...

Info iconThis preview shows pages 1–13. Sign up to view the full content.

View Full Document Right Arrow Icon
General Characteristics of Prokaryotic Organisms • Prokaryotes – Most diverse group of organisms – Habitats • From Antarctic glaciers to thermal hot springs • From colons of animals to cytoplasm of other prokaryotes • From distilled water to supersaturated brine • From disinfectant solutions to basalt rocks – Only a few capable of colonizing humans and causing disease
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
General Characteristics of Prokaryotic Organisms [INSERT FIGURE 11.1]
Background image of page 2
General Characteristics of Prokaryotic Organisms Reproduction of Prokaryotic Cells – All reproduce asexually – Three main methods • Binary fission (most common) • Snapping division • Budding
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
General Characteristics of Prokaryotic Organisms [INSERT FIGURE 11.2]
Background image of page 4
General Characteristics of Prokaryotic Organisms [INSERT FIGURE 11.3]
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
General Characteristics of Prokaryotic Organisms [INSERT FIGURE 11.5]
Background image of page 6
General Characteristics of Prokaryotic Organisms Reproduction of Prokaryotic Cells Epulopiscium and its relatives have unique method of reproduction • Live offspring emerge from the body of the dead mother cell (viviparity) • First case of viviparous behavior in prokaryotic world
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
General Characteristics of Prokaryotic Organisms Arrangement of Prokaryotic Cells – Result from two aspects of division during binary fission • Planes in which cells divide • Separation of daughter cells
Background image of page 8
General Characteristics of Prokaryotic Organisms
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
General Characteristics of Prokaryotic Organisms
Background image of page 10
General Characteristics of Prokaryotic Organisms Endospores – Produced by Gram-positive Bacillus and Clostridium – Each vegetative cell transforms into one endospore – Each endospore germinates to form one vegetative cell – Constitute a defensive strategy against hostile or unfavorable conditions – Serious concern to food processors, health care professionals, and governments
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
General Characteristics of Prokaryotic Organisms [INSERT FIGURE 11.8]
Background image of page 12
Image of page 13
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 51

Lecture 9 - General Characteristics of Prokaryotic...

This preview shows document pages 1 - 13. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online