EXAM_2_review_pictures_for_CH_4_to_CH_6.pptx

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Unformatted text preview: Click to edit Master subtitle style 11/15/10 THESE ARE SOME OF THE MORE IMPORTANT PICTURES TAKEN FROM THE NOTES ON CH 4 You should also go back and look over the homeworks and quizzes for these chapters as review also. Click to edit Master subtitle style 11/15/10 CH 4 PICTURES 11/15/10 Fig. 4-1 frog embry o most eukaryotic cells mitochon drion most prokaryotic cells pr ote ins diameter of DNA double helix chicke n egg adult human tallest trees a t o m s Units of measurement: 1 meter (m) = 39.37 inches 1 centimeter (cm) = 1/100 m 1 millimeter (mm) = 1/1,000 m 1 micrometer (m) = 1/1,000,000 m 1 nanometer (nm) = 1/1,000,000,000 m S i z e 1 m 1 m 1 c m visible with unaided human eye visible with light microscop e 1 m m 1 0 m 1 m 1 m 1 0 n m 1 n m . 1 n m visible with conventional electron microscope visible with special electron microscope Relative Sizes What can the human eye detect without the use of a microscope? What are the different types of microscopes? How do they work? 11/15/10 1 2 3 4 5 6 7 8 9 10 11 Definitely know the different parts of a simplified cell and a basic understanding 11/15/10 Plant Cell Features • Cell wall (1) • Central vacuole (2) • Chloroplast (3) • Plasma membrane • Nucleus • Ribosomes • Endoplasmic reticulum • Golgi body • Vesicles • Mitochondria • Cytoskeleton 1 2 3 How are these 3 organelles different in plants? What do they do? 11/15/10 • In bacteria, Gram staining can distinguish between gram + and gram – cells – “+” cells stain purple – “-” cells stain pink – Pink = BAD What is Gram Staining? How does it work? What do the different colors (purple vs. pink) indicate? How can that be useful? 11/15/10 How Cilia and Flagella Move Fig. 4-7 return stroke cilia lining trachea flagellum of human sperm surface of human egg cell (a) Cilium continuous propulsion plasma membrane direction of locomotion power stroke (b) Flagellum propulsion of fluid propulsion of fluid What are the differences between cilia and flagella? Are they used in the same way? Where are they located? 11/15/10 Components of Nucleus nuclear envelope nucleoplasm nucleolus chromatin Be able to identify the different parts of the nucleus. What is the function of each part? 11/15/10 The Nucleus Fig. 4-8 (b) Nucleus of a yeast cell (a) The nucleus nucle ar envel ope nucl ear pore s nucleo lus riboso mes chrom atin nucl eus nuclear pores with nuclear pore complex Be able to identify the different parts of the nucleus. What is the function of each part? 11/15/10 What is the difference between chromatin and chromosomes? When do you see them in a cell? Chromosomes Fig. 4-9 chromat in chromoso me 11/15/10 A Mitochondrion Fig. 4-16 outer membra ne inner membra ne intermembra ne space mat rix crist ae 0.2 micrometer Definitely know the different parts of a simplified cell and a basic understanding 11/15/10 A Chloroplast Fig. 4-17 outer membra ne inner membra ne stro ma thylak oid channel interconnecti ng thylakoids granum (stack of...
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This note was uploaded on 11/14/2010 for the course BIOL 1001 taught by Professor Minor during the Spring '08 term at LSU.

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EXAM_2_review_pictures_for_CH_4_to_CH_6.pptx - Click to...

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