Chapter 2 Cell Biology
Chapter 2 Cell Biology
Chapter outline 2. 1 Overview of the structure of microbial cells 2.2 Procaryotic cell wall 2. 3 Cytoplasmic membrane 2. 4 Cellular genetic information 2.5 Cytoplasmic matrix -Ribosome and Inclusions 2.6 Components external to the cell wall 2.7 Bacterial endospores 2. 8 Comparison of the prokaryotic and eukaryotic ce elI
2.1 Overview of the structure of microbial cells 2.2 Procaryotic cell wall 2.3 Cytoplasmic membrane 2.4 Cellular genetic information 2.5 Cytoplasmic matrix – Ribosome and Inclusions 2.6 Components external to the cell wall 2.7 Bacterial endospores 2.8 Comparison of the prokaryotic and eukaryotic cell Chapter outline
Overview of cell structure A procaryotic cell A eucaryotic cell
A procaryotic cell A eucaryotic cell Overview of cell structure
The prokaryotic cell 1. Their genetic material (DNA)is not enclosed within a membrane and they lack other membrane bounded organelles 2. Their dna is not associated with histidine 3. Their cell wall almost al ways contain the complex polysaccharide peptidoglycan 4. They are very small
3. Their cell wall almost always contain the complex polysaccharide peptidoglycan The prokaryotic cell 1. Their genetic material (DNA) is not enclosed within a membrane and they lack other membrane – bounded organelles 2. Their DNA is not associated with histidine 4. They are very small!!
Size: Most bacteria fall within a range from 0.2 to 2.0 um in diameter and from 2 to 8 um in length A cyanobacterium 8 x 50 um 15x4m A rod-shaped prokaryote Microorganisms in ∈ TOuSe 1>sum Is typically about 1-5 general are very small micrometers(um) long and are completely and about I um wide invisible to the naked oam d eye raueuzae C25x 1.2um
Size: Most bacteria fall within a range from 0.2 to 2.0 um in diameter and from 2 to 8 um in length A rod-shaped prokaryote is typically about 1-5 micrometers (μm) long and about 1 μm wide Microorganisms in general are very small and are completely invisible to the naked eye. A cyanobacterium 8 x 50 um