Cells- Chp 4-5 Study Guide!!
Cells- Chp 4-5 Study Guide!! biology 1305
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This 4 page Study Guide was uploaded by blindsay on Monday October 12, 2015. The Study Guide belongs to biology 1305 at University of Texas at El Paso taught by Jeffrey Olimpo in Summer 2015. Since its upload, it has received 144 views. For similar materials see General Biology in Biological Sciences at University of Texas at El Paso.
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Date Created: 10/12/15
Cells Cell Theory all cells come from preexisting cells by cell division Magnification Ratio between the size of an image produced by a Resolution Ability to observe two adjacent objects as distinct from one Contrast How different one structure looks from another Dissecting Microscope uses an electron beam focused by cells are basic unit of miCVOSCSJPe and its another Contrast can be magnets to illuminate life aCtlJa39 33929 enhanced byusing d dyes that stain certain a Spemmen an 39311 11V1ng thlngs made cell structures produce an image 0f one or more 06113 on a TV like screen S Light Microscope Prokaryote Eukaryote Bacteria Archaea uses glass lenses and simple cell compleX structure Visible light to structure nucleus orm images no nucleus membrane bound organelles Nucleoid Region Plasma Membrane Cell wall GlycocalyX Flagella region only in bacteria controls what goes bacteriaplants Outer gelatinous allow certain bacteria and where DNA is in and out of cell structure support cover39ng39 to swim found Signalling and protects cell structure and support Cilia Pili Cytoplasm Ribosome Organelle Aow bacteria to cytosol and complexes of RNA Membranebound attach to surfaces organelles and proteins that are compartments and to each other about 25 11min Each has a Ugique diameter He an only with the electron microscope sites of protein synhesis Nuclear Envelope Nucleolus Lysosome Peroxisome Chromatin double membrane that encloses the nucleus ribosome subunits are assembled contain hydrolases to break down proteins carbohydrates nucleic acids and lipids Digest substances taken up by endocytosis an energyconsuming process by which cells engulf molecules intermediate in size Form twisted rope like structure A complex of protein and DN Cytosol Region of a eukaryotic cell that is outside the cell organelles but inside the plasma membrane Actin Filament Also known as microfilaments Long thin fibers Golgi packages sorts and secrets lipids and proteins Rough ER Studded with ribosomes lnv lved in rotein sxntcheSIs angl 5 run Smooth ER Lacks ribosomes Detoglti cation carb En ta ollsm alclum agaiagtia39a 9 Cytoskeleton Mitochondria Chloroplast Centrosome Nuclear Pore Pr0t9in laments that make atp site where microtubules grow provide passageways PrOVide Shape and aid photosynthesis takes centrioles found In movement place Nuclear Envelope Central Vacuole Endomembrane Cisternae Vesicle double membrane storage and support System structure enclosing for plants nucleus Endocytosis Exocytosis Autophagy Catalase Contractile Vacuole processes that materials recycling worn out breaks down expelling excess bring small molecules packaged in Organelles USinQ an dangerous h202 into water macromolecules large vesicles are secreted aUtophaQOSOme water and oxygen particles and from the cell even small cells into eukaryotic cells Phagocytic Vacuole Binary Fission ATP Microtubule Intermediate protists and white contains energy Long hollow Filament blood cells for Cylindrical Structures intermediate in size degradation Dynamic instability Form twisted ropeike structure Important Concepts 1 Label parts of a bacterial animal and plant cell and describe the function of these partsorganelles 2 Identify and describe the 3 important features of microscopes give examples 0 magnification ratio of size of an image produced by the microscope and the actual size 0 resolution ability to observe 2 adjacent objects as distinct from each other 0 contrast how different a structure looks from another 3 Understand the differences between prokaryotic and eukaryotic cells 0 Prokaryotic cells O no nucleus O bacteria cell O single celled O nucleoid O no organelles Q Eukaryotic cells O multicellular O nucleus O membrane bound organelles O plantanimal cells 4 Be able to distinguish between semiautonomous organelles and those that make up the endomembrane system Q Mitochondria and chloroplasts Q Grow and divide to reproduce 0 They are not completely autonomous because they depend on the cell for synthesis of internal components 5 Describe in no more than a paragraph how motor proteins work and the role of the various protein filaments C Use ATP as a source of energy for movement 0 Three domains the head hinge and tail 0 Walking analogy The ground is the cytoskeletal filament your leg is the head of the motor protem and your h1p 1s the h1nge 0 Three kinds of movement Motor protein carries cargo along the filament Motor protein remains in place the lament moves Motor rotein and filament both restrained action of motor protein exerts a force that ben s the lament Review Questions l A cellular mutation causes an interruption in the production of ATP In which organelle did this mutation occur a Nucleus b Cytoplasm d Lysosome e Golgi Apparatus 2 What are the similarities and differences between dissecting and light microscopes O Dissecting microscope used to visualize large samples e g whole organisms course focus only 0 Light microscope used to visualize samples on a slide slides are placed onto the stage fine and coarse focus available 3 The rough ER is so named because it has an abundance of on it a Mitochondria b Lysosomes C Golgi bodies e Vesicles 4 Because they have chloroplasts for energy production plant cells lack mitochondria a True 5 Which of the following is not a characteristic of prokaryotic cells a DNA b CellPlasma membrane c Cell wall e Flagella 6 Which organelles are semi autonomous and what does it mean for something to be semi autonomous in this case 0 Mitochondria amp chloroplast O Semiautonomous implies that the organelle possesses its own DNA and is therefore capable of replicating but that the inner structure of the mitochondriachloroplast requires the assistance of other organelles in order to form properly
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