Chapter 4 & 5 Out of class activity.docx

Chapter 4 & 5 Out of class activity.docx - Chapter 4 5...

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Chapter 4 & 5: The Cell- (Bio101 Activity) Name: Blanca Soriano Section: _____ Date __________ C HAPTER 4 - A T OUR OF THE C ELL 1. Compare the designs of and images produced by a light microscope and electron microscope (list at least three main differences) Light Microscope: - Light microscope are smaller and lighter, meaning it is easier to move and set-up - It is less expensive - It uses light - It forms images including the range of wavelengths (color) that is provided by the light source Electron Microscope: - Has higher resolution than light microscope - Has higher magnification - Produce greyscale ("black and white") images - Expensive 2. Discuss about the structure of a cell membrane (or plasma membrane) and its function. Inside the plasma membrane there are three parts: - Cytoplasm: it is contained within the plasma membrane - Nucleoid region: where the DNA is located - Ribosomes: synthesize proteins Outside the plasma membrane: - Cell wall: provides support and protection - Glycocalyx: traps water, gives protection, help evade immune system - Pili: for attachment - Flagella: for movement 3. Describe the four functional categories of organelles in eukaryotic cells. List at least 8 organelles and discuss their function. 1. The nucleus and ribosomes carry out the genetic control of the cell. 2. Organelles involved in the manufacture, distribution, and breakdown of molecules.
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