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Unit 3 cells unit at a glance new curriculum


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Unit 3 cells unit at a glance new curriculum

  1. 1. Unit 3. Cells (18 days) Textbook and Other Readings 6th edition: Chapters 7, 8, 11, 12 8th edition: Chapters 6,7, 11, 12 Lecture Topics 2.a.1 All living systems require constant input of free energy. 2.a.3 Organisms must exchange matter with the environment to grow, reproduce, and maintain organization. 2.b.1 Cell membranes are selectively permeable due to their structure. 2.b.2 Growth and dynamic homeostasis are maintained by the constant movement of molecules across membranes. 2.b.3 Eukaryotic cells maintain internal membranes that partition the cell into specialized regions. 3.B.2 A variety of intercellular and intracellular signal transmissions mediate gene expression. 3.D.1 Cell communication processes share common features that reflect a shared evolutionary history. 3.D.2 Cells communicate with each other through direct contact with other cells or from a distance via chemical signaling. 3.D.3. Signal transduction pathways link signal reception with cellular response. 3.D.4. Changes in signal transduction pathways can alter cellular response. 4.A.2: The structure and function of subcellular components, and their interactions, provide essential cellular processes. 4.B.1: Interactions between molecules affect their structure and function. 4.B.2: Cooperative interactions within organisms promote efficiency in the use of energy and matter. Laboratory Exercises Microscopy [C8] from Perry and Morton o Goal: To properly use and care for a compound light microscope, to make a wet mount slide, to distinguish between the utility of different types of microscopes (wet lab) Structure and Function of Living Cells [C8] from Perry and Morton o Goal: To identify cell parts visible with the compound light microscope, to note similarities and differences between plant and animal cells, to note similarities and differences between prokaryotic and eukaryotic cells (wet lab) ® AP Biology Laboratory 1: Diffusion and Osmosis [C8] [C4] o Goal: To investigate diffusion and osmosis using dialysis tubing; to relate particle size and membrane properties, to determine the effects of concentration on diffusion using dialysis tubing and potato cores (wet lab) AP® Biology Laboratory 3 (Exercise 3A): Mitosis [C8] o Goal: To observe mitotic figures in a student-made onion root tip slide, to compare and contrast animals and plant cell mitosis by observing prepared slides, to determine the time spent in each phase of mitosis by tallying cells in each phase in prepared onion root tip slides (wet lab)
  2. 2. Chapter 6/7: A tour of the Cell Prokaryotics vs. Eukaryotic cells Animal vs. plant cells Cell organelles Exoskeleton Cilia vs. flagella Intercellular junctions Chapter 7/8: Membrane Structure and Function Membrane fluidity Membrane proteins Permeability of membrane Osmosis Tonicity Facilitated diffusion Active Transport Bulk Transport Chapter 11: Cell communication Signal transduction Stages of signaling Ligand and G proteins Role of cyclic AMP Chapter 12: The Cell Cycle Phases of cell cycle Events in mitosis Cytokinesis in plant vs. animal Binary fission vs. mitosis Check points Cyclins Chapter 18/19: Eukaryotic Genomes Cancer: proto-oncogenes, oncogenes p53 gene Transposons Chapter 28: Protists Diversity in eukaryotes Endosymbiosis theory