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cell

Parts of A Cell

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Cell Organelle Research Websites Cells Alive http://www.cellsalive.com/cells/cell_model.htm Tour through plant and animal cell. Click on each organelle for structure and function The Virtual Cell http://www.ibiblio.org/virtualcell/tour/cell/cell.htm The Virtual Cell is an online Cell Biology textbook. It provides students with an interactive journey through the cell. Animal Cell Interactive http://www.wisc-online.com/objects/ViewObject.aspx?ID=AP11403 Explore parts of an animal cell Interactive quiz Cell Structure and Parts http://www.wiley.com/legacy/college/boyer/0470003790/animations/cell_structure/cell_structure.htm Compare Prokaryotic, Animal and Plant cell parts

Campbell AP Bio Study Guide Chapter 6

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

Cellular signaling and the cell membrane

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Chapter 5: Membrane Transport and Cell Signaling Amphiphatic- refers to something that has both hydrophilic and hydrophobic regions the cell membrane proteins Fluidity Low Temperatures-less fluid because the phospholipids pack together tightly Factors that Affect Fluidity: Amount of phospholipids- phospholipids have kinks in the tails due to their hydrogen bonds which make them harder to pack Cholesterol- inhibits the packing of the phospholipid tails at LOW TEMPERATURE. AT HIGH TEMPERATURE, it solidifies the membrane because it inhibits the movement of tails Proteins in the Membrane Intergal-penetrate the membrane, hydrophobic exterior, hydrophilic interior Peripheral-lie on either side of the membrane Major Protein Functions: -Transport-allows materials to diffuse

Animal and Plant Cell Lab

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Maia Regman Mrs. Magnan Biology Honors 28 October 2013 Plant and Animal Cells Objective The objective of this lab was to learn what a microscope reveals about plant and animal cells. The completion of this lab should teach the participant the differences between plant and animal cells and how to examine samples of the covering tissues of a plant (the onion) and of an animal (the participant) using the epidermis and cells from a cheek swab of epithelial tissue. Materials Packet Pages L14 to L16 Onion Chunks Compound Microscope Microscope Slides Covers Slips Water Pipette Lugol?s Iodine Solution Tweezers (optional) Paper Towels Flat Toothpicks Procedures. Part A: Cells of the Onion Epidermis Gently peel off one of the thin layers of the inside of the onion chunk.

Reproduction and Development

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Reproduction and Development The essential feature of reproduction is hereditary information carried by nucleic acid DNA There are some plants and animals that act as both male or female Asexual Reproduction Types of chromosomes must be exactly the same in the daughter cells as in the parent
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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

campbell_ap_bio_practice_test_ch1

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Chapter?1 Introduction:?Themes?in?the?Study?of?Life Multiple-Choice?Questions 1) Which?of?the?following?properties?or?processes?do?we?associate?with?living?things? A) evolutionary?adaptations B) energy?processing C) responding?to?the?environments D) growth?and?reproduction E) all?of?the?above Answer: E Topic: Overview Skill: Knowledge/Application 2) Which?of?the?following?is?not?a?theme?that?unifies?biology? A) interaction?with?the?environment B) emergent?properties C) evolution D) reductionism E) structure?and?function Answer: D Topic: Concept?1.1 Skill: Knowledge/Application 3) Which?of?the?following?sequences?represents?the?hierarchy?of?biological?organization?from?the?least?to?the?most complex?level? A) organelle,?tissue,?biosphere,?ecosystem,?population,?organism

View of the Cell

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Chapter 7 A View of the Cell The Discovery of Cells The History of the Cell Theory The first person to record looking at water under a microscope was Anton van Leeuwenhoek. Robert Hooke used a compound light microscope to study cork, the dead cells of oak bark. Matthias Schleiden studied plants under a microscope and concluded that all plants are made of cells. Theodore Schwann studied animal cells and concluded that all animals are made of cells. Rudolf Virchow hypothesized that cells divide to form new cells & all cells come from preexisting cells The Cell Theory: All organisms are composed of one or more cells. The cell is the basic unit of organization of organisms. All cells come from preexisting cells.

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

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