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Prokaryotic and Eukaryotic Cells
Section 7-1
Cell membrane
Cytoplasm
Prokaryotic Cell
Cell membrane
Cytoplasm
Nucleus
Eukaryotic Cell
Organelles
7–2 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
Prokaryotes
Eukaryotes
Cell membrane
Contain DNA
Animal Cells
Centrioles
Plant Cells
Cell membrane
Ribosomes
Nucleus
Endoplasmic reticulum
Golgi apparatus
Lysosomes
Vacuoles
Mitochondria
Cytoskeleton
Cell Wall
Chloroplasts
Nucleus
Endoplasmic reticulum
Golgi apparatus
Lysosomes
Vacuoles
Mitochondria
Cytoskeleton
Figure 7-5 Plant and Animal Cells
Section 7-2
Smooth endoplasmic
reticulum
Vacuole
Ribosome
(free)
Chloroplast
Ribosome
(attached)
Cell
Membrane
Nuclear
envelope
Cell wall
Nucleolus
Golgi apparatus
Nucleus
Mitochondrion
Rough endoplasmic reticulum
Plant Cell
Figure 7-5 Plant and Animal Cells
Section 7-2
Nucleolus
Nucleus
Ribosome
(attached)
Nuclear
envelope
Ribosome
(free)
Cell
Membrane
Mitochondrion
Smooth
endoplasmic
reticulum
Rough
endoplasmic
reticulum
Centrioles
Golgi apparatus
Animal Cell
Figure 7-11 Cytoskeleton
Section 7-2
Cell membrane
Endoplasmic
reticulum
Microtubule
Microfilament
Ribosomes
Mitochondrion
•
7–3
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
Facilitated Diffusion
Section 7-3
Glucose
molecules
High
Concentration
Cell
Membrane
Low
Concentration
Protein
channel
Figure 7-12 The Structure of the
Cell Membrane
Section 7-3
Outside
of cell
Proteins
Carbohydrate
chains
Cell
membrane
Inside
of cell
(cytoplasm)
Protein
channel
Lipid bilayer
Figure 7-15 Osmosis
Section 7-3
Figure 7-19 Active
Transport
Molecule to
be carried
Section 7-3
Energy
Molecule
being carried
Section Outline
•
Section 7-4
7–4 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
Levels of Organization
Section 7-4
Muscle cell
Smooth muscle tissue
Stomach
Digestive system