| Unit 3 Links | |
| Membrane Structure and Function | Notes and diagrams on the general structure and function of plasma membranes. Use the links to get other information about transport and other bacterial structures. |
| The Biology Project | Problem sets and tutorials covering cell structure and function, the cell cycle, meiosis and the cytoskeleton. |
| cells.de: On-line service for Cell Biology | Check out the Media library section with movies of everything cellular. |
| CELLS Alive! | Review the structure and function of plant and animal cells with an interactive tutorial. Be sure to check out the mitosis movie. |
| Powerpoint Presentation on Cell Str/Fxn | |
| Online Onion Root Tips Lab | On-line version of the onion root tip lab. |
| Myosin Walking Mechanisms | Explanation of how myosin is used. |
| Nobel e-Museum. | Play the Control of the Cell Cycle Game |
Inner Life of a Cell Video. A Must See!
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Ch. 6, 7, 11, 12, 36 [pgs 738-742, 748-750, 752], 44 [927-935], 48 [1012-1017, 1018-1020]
- Chapter 11 Notes - Cell Communication (Requires Adobe Acrobat)
Lab 1. Osmosis Data 2006
| Percent Mass Change of Dialysis Bags | |||||
| 0.0 M | 0.2 M | 0.4 M | 0.6 M | 0.8 M | 1.0 M |
| 1.62 | 7.58 | 8.32 | 10.13 | 13.81 | 18.45 |
| The data below is sample data for you to also graph for the Dialysis Bag experiment | |||||
| 1.2 | 3.1 | 7.7 | 11.0 | 14.8 | 18.2 |
| Percent Mass Change of Potato | |||||
| 0.0 M | 0.2 M | 0.4 M | 0.6 M | 0.8 M | 1.0 M |
| 9.52 | 1.44 | -14.22 | -21.22 | -24.96 | -25.46 |
| The data below is sample data for you to also graph for the Potato experiment | |||||
| 21.4 | 6.9 | -4.5 | -12.8 | -23.0 | -23.5 |
| Lab 2. Enzyme Catalysis Data (2003-2005) | |||||||
| 10s | 30s | 60s | 90s | 120s | 180s | 360s | Baseline |
| .364 | .340 | .449 | .574 | .694 | .699 | 1.06 | 3.471 |
| Lab 2. Enzyme Catalysis Data [Sample] | ||||||
| 10s | 30s | 60s | 90s | 120s | 180s | 360s |
| .9 | 1.8 | 2.4 | 2.8 | 3.1 | 3.3 | 3.4 |
Chapter 7 - A Tour of the Cell
Outcomes:
- Describe techniques used to study cell structure and function.
- Distinguish between prokaryotic and eukaryotic cells.
- Describe the structure and function of the nucleus and briefly explain how the nucleus controls protein synthesis in the cytoplasm.
- Describe the structure and function of a eukaryotic ribosome.
- Explain the role of peroxisomes in eukaryotic cells.
- Describe the structure of a mitochondrion and explain the importance of compartmentalization in mitochondrial function.
- Identify the three functional compartments of a chloroplast and explain the importance of compartmentalization in chloroplast function.
- Describe probable functions of the cytoskeleton.
- Explain how the ultrastructure of cilia and flagella relates to their functions.
- List some functions of glycocalyx in animal cells.
- Development of plant cell walls.
Key Concepts
:
- Geography of the cell
- The Nucleus
- Ribosomes
- The Endomembrane System
- Peroxisomes
- Mitochondria and Chloroplasts
- The Cytoskeleton
- Cell Surface
Chapter 8 - Membrane Structure and Function
Outcomes:
- Describe the function of the plasma membrane.
- Describe the Davson-Danielli membrane model and explain how it contributed to our current understanding of membrane structure.
- Describe the fluid properties of the cell membrane and explain how membrane fluidity is influenced by membrane composition.
- Explain how hydrophobic interactions determine membrane structure and function.
- Describe how proteins are spatially arranged in the cell membrane and how they contribute to membrane function.
- Describe factors that affect selective permeability of membranes.
- Define diffusion.
- Explain why a concentration gradient across a membrane represents potential energy.
- Define osmosis and its processes.
- Define osmotic pressure and explain how it can be measured.
- Explain how transport proteins are similar to enzymes.
- Explain how active transport differs from diffusion.
Key Concepts
:- Models of Membrane Structures
- The Fluid-Mosaic Model
- Selective Permeability
- Diffusion and Passive Transport
- Osmosis
- Facilitated Diffusion
- Active Transport
- Ion Transport and Cotransport
- Exocytosis and Endocytosis
Chapter 12 - The Reproduction of Cells
Outcomes
:- Define genome and state what major events must occur during cell division for the entire genome to be passed on to daughter cells.
- Describe the process of binary fission in prokaryotes.
- Describe how the chromosome number changes throughout the human life cycle.
- List the phases of the cell cycle and describe the sequence of events that occurs during each phase.
- Describe what major events occur during the G1, S and G2 periods of interphase, and describe what characterizes the G2 interphase cell.
- List the phases of mitosis and describe the events characteristic of each phase.
- Describe the spindle apparatus including centrosomes , nonkinetochore microtubules, kinetochore microtubules, asters and centrioles (in animal cells).
Key Concepts
:- Bacterial reproduction
- Eukaryotic chromosomes
- The Cell Cycle
- The Stages of Mitotic Cell Division
- The Structure and Function of the Mitotic Spindle
- The Mechanisms of Cytokinesis
- The Control of Cell Division
- Abnormal Cell Division.