Prokaryotic Cell

1
Prokaryotic and Eukaryotic Cells
Section 7-1
Prokaryotic Cell
Nucleus
Eukaryotic Cell
Organelles
2

• 72 Eukaryotic Cell Structure
• A. Nucleus
• B. Ribosomes
• C. Endoplasmic Reticulum
• D. Golgi Apparatus
• E. Lysosomes
• F. Vacuoles
• G. Mitochondria and Chloroplasts
• 1. Mitochondria
• 2. Chloroplasts
• 3. Organelle DNA
• H. Cytoskeleton microtubules microfilaments

3
ACTUAL PHOTOS
4
Prokaryotes
Eukaryotes
Nucleus Endoplasmic reticulum Golgi
apparatus Lysosomes Vacuoles Mitochondria Cytoskel
eton
Cell membrane Contain DNA
Animal Cells
Plant Cells
Cell membrane Ribosomes Nucleus Endoplasmic
reticulum Golgi apparatus Lysosomes Vacuoles Mitoc
hondria Cytoskeleton
Centrioles
5
Figure 7-5 Plant and Animal Cells
Section 7-2
Plant Cell
6
Figure 7-5 Plant and Animal Cells
Section 7-2
Animal Cell
7
Figure 7-11 Cytoskeleton
Section 7-2
8

• 73 Cell Boundaries
• A. Cell Membrane
• B. Cell Walls
• C. Diffusion Through Cell Boundaries
• 1. Measuring Concentration
• 2. Diffusion
• D. Osmosis
• 1. How Osmosis Works
• 2. Osmotic Pressure
• E. Facilitated Diffusion
• F. Active Transport
• 1. Molecular Transport
• 2. Endocytosis and Exocytosis

9
Figure 7-12 The Structure of the Cell Membrane
Section 7-3
10
Facilitated Diffusion
Section 7-3
Glucose molecules
High Concentration
Cell Membrane
Protein channel
Low Concentration
11
Figure 7-15 Osmosis
Section 7-3
12
Figure 7-19 Active Transport
Section 7-3
13
ENDOCYTOSIS EXOCYTOSIS
14
ENDOCYTOSIS
15
PINTOCYTOSIS
16
PHAGOCYTOSIS
17
EXOCYTOSIS
18
EXOCYTOSIS
19
Section Outline

• 74 The Diversity of Cellular Life
• A. Unicellular Organisms
• B. Multicellular Organisms
• 1. Specialized Animal Cells
• 2. Specialized Plant Cells
• C. Levels of Organization
• 1. Tissues
• 2. Organs
• 3. Organ Systems

Section 7-4
20
Levels of Organization
Section 7-4
Muscle cell
Smooth muscle tissue
Stomach
Digestive system