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Ch 2_Chemistry and Cytology-1.pdf - Chapter 2 CHEMISTRY and...

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1Chapter 2CHEMISTRY and CYTOLOGYIntroductionChemical structures are among the most basic structures found within the human body.They can exist in isolation like a molecule of O2 or in groups comprising structures necessaryto cellular function, such as a cell membrane.This laboratory experience is designed tointroduce bio-specific molecules related to the human body and specifically to cellularfunction.The common parts of a eukaryotic cell, as well as the differing shapes andfunctions of cells, will also be explored.Objectives:1.Identify the plasma membrane and anticipate movement through semi-permeable membranes.2.Demonstrate proper use of the microscope.3.Identify the parts of the cell on models and diagrams.4.Isolate, stain, and observe various cell types in the microscope.5.Observe variations in cell structure and note how these relate to variations in functions.6.Identify the stages of mitosis on models.Prelab AssignmentPrior to beginning the laboratory session, study the sections in your textbook covering atoms,ions, molecules, water and mixtures, energy and chemical reactions.Review these concepts of cellular structures: cell membrane, cell transport, cell interior, DNAreplication and cell cycle.
2Exercise 1: Introduction to the MicroscopeA. Rules for Microscope Use1. Use two hands to carry the microscope: one on the base and the other on the arm.2. Secure the electrical cord, don't let it dangle off the table.

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Term
Summer
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Tags
Physiology, Anatomy, Cell nucleus, Semipermeable membrane, power objective lens

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