AP BIO Chapter 06
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Campbell's Biology, 9e (Reece et al.) Chapter 6 A Tour of the Cell
Endomembrane system
Campbell's Biology, 9e (Reece et al.) Chapter 6 A Tour of the Cell
AP BIO CHP 6 CAMPBELL BIOLOGY 9e
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Campbell's Biology, 9e (Reece et al.) Chapter 6 A Tour of the Cell
A Tour of the Cell
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Ch. 7 Tour of the Cell 2007-2008 Light Microscope - LM ? Uses visible light ? inexpensive ? live or dead objects ? Resolution: ? As magnification ?, resolution ?. ? ~1000X. ? Limitations: ? many cell structures too small Just magnified 64X Magnification & Resolution Light Microscope Variations ? Unstained ? Stained: ?Methylene blue ? iodine Light Microscope Variations ? Fluorescence: uses dyes to make parts of cells ?glow?. ? Phase-contrast: enhances contrasts in density. ? Confocal: uses lasers and special optics to focus only narrow slides of cells. Electron Microscopes ? Use beams of e- ? Invented in 1939 ? Advantages: ?Much higher mag. ? 50,000X ? Disadvantages: ? Vacuum.
A Tour of the Cell
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Ch. 7 Tour of the Cell 2007-2008 Light Microscope - LM ? Uses visible light ? inexpensive ? live or dead objects ? Resolution: ? As magnification ?, resolution ?. ? ~1000X. ? Limitations: ? many cell structures too small Just magnified 64X Magnification & Resolution Light Microscope Variations ? Unstained ? Stained: ?Methylene blue ? iodine Light Microscope Variations ? Fluorescence: uses dyes to make parts of cells ?glow?. ? Phase-contrast: enhances contrasts in density. ? Confocal: uses lasers and special optics to focus only narrow slides of cells. Electron Microscopes ? Use beams of e- ? Invented in 1939 ? Advantages: ?Much higher mag. ? 50,000X ? Disadvantages: ? Vacuum.
Campbell AP Bio Study Guide Chapter 6
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Campbell's Biology, 9e (Reece et al.) Chapter 6 A Tour of the Cell
Tour of the cel
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Chapter 4: A Tour of the Cell Types of Cells Prokaryotic- a type of cell lacking a membrane-enclosed organelles Bacteria and Archaea DNA in the nucleoid which is not membrane-bound Eukaryotic- a type of cell with membrane bound organelles Protists, Plants, Fungi, and Animals Contian a membrane-bound nucleus Contain organelles and cytoplasm Both: Have ribosomes Plasma membrane Jelly-like cytosol Chromosomes *As the volume of a cell grows, the surface area increases proportionally because more plasma membrane needed to transfer necessary materials for the metabolic processes *Different organelles increase complexity of the cell because each organelle has a specific function, whit allows multiple activities to be going on in the cell at once The Nucleus
campbell_ap_bio_practice_test_ch6
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Chapter?6 A?Tour?of?the?Cell Multiple-Choice?Questions 1) When?biologists?wish?to?study?the?internal?ultrastructure?of?cells,?they?most?likely?would?use A) a?light?microscope. B) a?scanning?electron?microscope. C) a?transmission?electronic?microscope. D) A?and?B E) B?and?C Answer: C Topic: Concept?6.1 Skill: Knowledge/Comprehension 2) The?advantage?of?light?microscopy?over?electron?microscopy?is?that A) light?microscopy?provides?for?higher?magnification?than?electron?microscopy. B) light?microscopy?provides?for?higher?resolving?power?than?electron?microscopy. C) light?microscopy?allows?one?to?view?dynamic?processes?in?living?cells. D) A?and?B E) B?and?C Answer: C Topic: Concept?6.1 Skill: Knowledge/Comprehension 3) A?primary?objective?of?cell?fractionation?is?to
AP biology review chapter 6 and 7
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DO NOT WRITE ON THIS TEST- USE ANSWER DOCUMENT FORM: A 1 AP Biology-Chapter #6 & 7 Review Multiple Choice Identify the choice that best completes the statement or answers the question. 1. All of the following are part of a prokaryotic cell except a. DNA. b. a cell wall. c. a plasma membrane. d. ribosomes. e. an endoplasmic reticulum. 2. The volume enclosed by the plasma membrane of plant cells is often much larger than the corresponding volume in animal cells. The most reasonable explanation for this observation is that a. plant cells are capable of having a much higher surface-to-volume ratio than animal cells. b. plant cells have a much more highly convoluted (folded) plasma membrane than animal cells. c. plant cells contain a large vacuole that
Bio_160_Lecture2
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Cells, Membranes and Cellular Reproduction A Tour of the Cell ? Cell Structure & Function ? Chapter 4 ? Compared to the images generated by the Hubble telescope or the planetary probes like Voyager, telescope images are limited. ? Same with looking at cells under a light microscope, view is limited. ?Which of the following cell parts are visible under a light microscope? ? Cell membrane - yes. ? Large macromolecules - no. ? Microtubules - no. ? Mitochondria - maybe just barely. ? Many bacteria - yes ? The microscopic size of most cells ensures a sufficient surface area across which nutrients and wastes can move to service the cell volume ? A small cell has a greater ratio of surface area to volume than a large cell of the same shape 30 ?m 10 ?m
Cell composition cut and paste
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What is a cell made up of? What to do: Label and colour in each of the cell organelles in the diagram. Cut along the dotted line and paste the cell into your workbook (plasma- membrane, cytoplasm, mitochondria, nucleus, nuclear pores, endoplasmic reticulum, golgi bodies, ribosomes, peroxisomes and lysosomes) ----------------------------------------------------------------------------------------------------------------------- -----------------------------------------------------------------------------------------------------------------------
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