Tour of The Cell. Learning Targets  I can distinguish between prokaryotic and eukaryotic cells  I can draw a prokaryotic cell, a plant cell and an animal.

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Tour of The Cell

Learning Targets  I can distinguish between prokaryotic and eukaryotic cells  I can draw a prokaryotic cell, a plant cell and an animal cell  I can identify the structure and function of the following  ribosomes  rough and smooth Endoplasmic reticulum  golgi apparatus  nucleus  nucleolus  vessicle  vacuoles  lysosomes  mitochondria  chloroplasts  I can identify organelles that are shared by plant and animals cells and those that are unique to plant and animal cells.  I can explain the importance of the surface area to volume ratio with regard to cell efficiency, and limitation to cell size.  I can predict and justify how a change in a cellular organelle would affect the function of the entire cell or organism.

Focus Questions  1. What is the difference between prokaryotic and eukaryotic cells?  2. What are the organelles involved in the endomembrane system?  3. What organelles are unique to plant and are unique to animal cells?  4. What would happen to a cell that has nonfunctioning  ribosomes  golgi apparatus  endoplasmic reticulum  vesicles  nucleolus  Lysosomes  Mitochondria

Figure 6.5 Fimbriae Bacterial chromosome A typical rod-shaped bacterium (a) Nucleoid Ribosomes Plasma membrane Cell wall Capsule Flagella A thin section through the bacterium Bacillus coagulans (TEM) (b) 0.5  m

Figure 6.7 Surface area increases while total volume remains constant Total surface area [sum of the surface areas (height  width) of all box sides  number of boxes] Total volume [height  width  length  number of boxes] Surface-to-volume (S-to-V) ratio [surface area  volume]

Figure 6.8a ENDOPLASMIC RETICULUM (ER) Rough ER Smooth ER Nuclear envelope Nucleolus Chromatin Plasma membrane Ribosomes Golgi apparatus Lysosome Mitochondrion Peroxisome Microvilli Microtubules Intermediate filaments Microfilaments Centrosome CYTOSKELETON: Flagellum NUCLEUS

Figure 6.8c NUCLEUS Nuclear envelope Nucleolus Chromatin Golgi apparatus Mitochondrion Peroxisome Plasma membrane Cell wall Wall of adjacent cell Plasmodesmata Chloroplast Microtubules Intermediate filaments Microfilaments CYTOSKELETON Central vacuole Ribosomes Smooth endoplasmic reticulum Rough endoplasmic reticulum

Figure Smooth ER Nucleus Rough ER Plasma membrane

Figure Smooth ER Nucleus Rough ER Plasma membrane cis Golgi trans Golgi

Figure Smooth ER Nucleus Rough ER Plasma membrane cis Golgi trans Golgi

Figure 6.16 Nucleus Endoplasmic reticulum Nuclear envelope Ancestor of eukaryotic cells (host cell) Engulfing of oxygen- using nonphotosynthetic prokaryote, which becomes a mitochondrion Mitochondrion Nonphotosynthetic eukaryote Mitochondrion At least one cell Photosynthetic eukaryote Engulfing of photosynthetic prokaryote Chloroplast

Figure 6.UN01a Nucleus (ER)

Figure 6.UN01b (Nuclear envelope)

Figure 6.UN01c

Figure 6.UN04

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