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A. Read pages 168-173 and answer Questions pages 197-198: 1-3, 11, 12. Due 25 January.
Terms & Concepts: Appreciate the role of early technology, ie the development of microscopes, on the modern study of cells. Be able to describe the contributions of scientists such as Hooke, van Leeuwenhoek, Schleiden, Schwann, and Virchow to the development of the modern Cell Theory. Be able to state and discuss the three tenets of the cell theory. Be aware of the different types of microscopes such as the transmission and scanning electron microscopes. Appreciate the wide variety of cell types. In particular, be able to describe the differences between prokaryote and eukaryote cells. Be able to give examples of organisms from each of these groups.
B. Read the article "A New Tree of Life" from Discover Magazine and answer these questions. Due 27 January.
C. Read pages 174-181 and answer Questions pages 197-198: 4-6, 13-16. Due 30 January.
Terms & Concepts: This section outlines the basic structure of eukaryotic cells and their typical organelles. Know the function, location, and basic structure of each organelle. You should also be able to describe the physical and functional relationships among these structures. Understand the relationship of the structures in the nucleus, especially the DNA, chromosomes, and chromatin. Be aware of the relationship between the nucleolus and theribosomes in the cytoplasm. Be able to describe the interdependent functions of the endoplasmic reticulum, Gogli Apparatus, and transport vesicles. Appreciate the special role that chloroplasts and mitochondria have in the energy requirements of the cell. Be able to describe the components of the cytoskeleton and their varied functions in cell movement and transport of materials throughout the cell.
D. Questions pages 197-198: 17-19, 29. Due 1 February.
E. Read pages 182-189 and answer Questions pages 197-198: 20-24, 26, 27. Due 3 February.
Terms & Concepts: Use the diagram on page 182 to understand the structure of the lipid bilayer of cell membranes. Be able to describe the relationship between the phospholipid and protein molecules of these membranes. Understand the several important functions of these molecules in the functions of the cell membrane. Appreciate the common structure of the cell membrane and the membranes of the organelles in the cell. Distinguish between the cell wall of plants and the cell membrane of all cells. Be able to describe its composition and function. Be able to describe the processes of diffusion in terms of concentration gradients and movement of molecules to a state of equilibrium. Appreciate that osmosis is a special type of diffusion that involves water moving through a selectively permeable membrane. Be able to describe the movement of water in terms of hypertonic and hypotonic concentrations. Understand the role of osmotic pressure in the maintenance of plant cell shape. Understand the role of membrane proteins in the process of facilitated diffusion. Distinguish between passive and active transport in terms of energy requirements and the direction of movement of material along concentration gradients. Understand the role of membrane proteins and the cell membrane itself in active transport mechanisms such as exocytosis and endocytosis.
F. Read pages 190-193 and answer Questions pages 197-198: 25, 28, 30, 31, 33, 34. Due 6 February.
Terms & Concepts: Appreciate the structural similarities and differences between unicellular and multicellular organisms and the role of cell specialization in multicellular organisms. Be able to describe the major differences between animal and plant cells in terms of their organelles and the types of cells in animals and plants. Be able to list and give examples of the various level of organization in an multicellular organism such as tissue, organs, and organ systems.
G. Read and Summarize the article "The Ocean Microbe Within Us." Use the posted guide to help organize and format your writing. Due 8 February.
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