Prokaryotic Cell

Cell membrane

Cell membrane

Cytoplasm

Cytoplasm

Nucleus

Organelles

Eukaryotic Cell

Section 7-1

Prokaryotic and Eukaryotic Cells

7–2 Eukaryotic Cell StructureA. NucleusB. RibosomesC. Endoplasmic ReticulumD. Golgi ApparatusE. LysosomesF. VacuolesG. Mitochondria and Chloroplasts

1.Mitochondria2.Chloroplasts

3.Organelle DNAH. Cytoskeleton – microtubules &

microfilaments

ACTUAL PHOTOS

Prokaryotes Eukaryotes

Cell membraneContain DNA

NucleusEndoplasmic reticulum

Golgi apparatusLysosomesVacuoles

MitochondriaCytoskeleton

Animal Cells Plant Cells

Centrioles

Cell membraneRibosomes

NucleusEndoplasmic reticulum

Golgi apparatusLysosomesVacuoles

MitochondriaCytoskeleton

Cell WallChloroplasts

Plant Cell

Nuclearenvelope

Ribosome(attached)

Ribosome(free)

Smooth endoplasmicreticulum

Nucleus

Rough endoplasmic reticulum

Nucleolus

Golgi apparatus

Mitochondrion

Cell wall

CellMembrane

Chloroplast

Vacuole

Section 7-2

Figure 7-5 Plant and Animal Cells

Animal Cell

Centrioles

NucleolusNucleus

Nuclearenvelope

Rough endoplasmic reticulum

Golgi apparatus

Smooth endoplasmicreticulum

Mitochondrion

CellMembrane

Ribosome(free)

Ribosome(attached)

Section 7-2

Figure 7-5 Plant and Animal Cells

Cell membrane

Endoplasmicreticulum

Microtubule

Microfilament

Ribosomes Mitochondrion

Section 7-2

Figure 7-11 Cytoskeleton

• 7–3 Cell BoundariesA.Cell Membrane

B.Cell Walls

C. Diffusion Through Cell Boundaries

1. Measuring Concentration

2. Diffusion

D. Osmosis1. How Osmosis Works

2. Osmotic Pressure

E.Facilitated Diffusion

F.Active Transport

1. Molecular Transport

2. Endocytosis and Exocytosis

Outsideof cell

Insideof cell(cytoplasm)

Cellmembrane

Proteins

Proteinchannel Lipid bilayer

Carbohydratechains

Section 7-3

Figure 7-12 The Structure of the Cell Membrane

HighConcentration

LowConcentration

CellMembrane

Glucosemolecules

Proteinchannel

Section 7-3

Facilitated Diffusion

Section 7-3

Figure 7-15 Osmosis

Molecule tobe carried

Moleculebeing carried

Energy

Section 7-3

Figure 7-19 Active Transport

ENDOCYTOSIS & EXOCYTOSIS

ENDOCYTOSIS

PINTOCYTOSIS

PHAGOCYTOSIS

EXOCYTOSIS

EXOCYTOSIS

• 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

Section 7-4

Section Outline

Muscle cell Smooth muscle tissue Stomach Digestive system

Section 7-4

Levels of Organization