'Food vacuole' diaporamas de présentation

Biology Assessment Items

Biology Assessment Items. Biology Content. How are prokaryotes different from eukaryotes? a. Prokaryotes can make their own food but eukaryotes cannot. b. Eukaryotes have a cell wall, but prokaryotes do not. c. Eukaryotes have a nucleus but prokaryotes do not.

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A Tour of the Cell Friday Sept 16, 2005 BCOR 011 Lecture 8

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CHAPTER - 6 LIFE PROCESSES

CHAPTER - 6 LIFE PROCESSES. CLASS :- X MADE BY :- MANAS MAHAJAN SCHOOL :- K.V. GANESHKHIND PUNE-7. 1) Criteria to decide whether something is alive :-.

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Kingdom Protista Animal-like Protists

Kingdom Protista Animal-like Protists. Introduction. Protozoa (the animal-like protists) are the most abundant organisms in the world in terms of numbers and biomass Protozoa are also called zooplanton. Introduction. Their principle importance is as consumers of bacteria

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Honors Biology Chapter 7 Section 2 Eukaryotic Cell Structure

Honors Biology Chapter 7 Section 2 Eukaryotic Cell Structure.

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Ch. 20 Protists

Ch. 20 Protists. Ch. 20 Outline. 20-1: The Kingdom Protista What is a Protist Classification of Protists 20-2: Animal-like Protists: Protozoans Zooflagellates Sarcodines Ciliates Animal-like Protists and Disease Ecology of Animal-like Protists. Ch. 20 Outline.

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Warm-Up Friday 3/22/13

Warm-Up Friday 3/22/13. List 1 similarity of virus and bacteria. List 1 difference of virus and bacteria. . Protist and Fungi Notes . Protists and Fungi Notes . Objectives . Compare & Contrast the characteristics of protists & fungi.

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Warm-Up Friday 3/22/13

Warm-Up Friday 3/22/13. List 1 similarity of virus and bacteria. List 1 difference of virus and bacteria. . Protist and Fungi Notes . Protists and Fungi Notes . Objectives . Compare & Contrast the characteristics of protists & fungi.

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The Mode of Action and Possible Target of Artemisinin

The Mode of Action and Possible Target of Artemisinin. Mike Van Linn Chemistry 496 23 April 2004. Outline. Introduction Malaria Artemisinin Rationale for Research Modes of Action Iron-Oxo route Epoxidation reactions Alkylation reactions The Target of Artemisinin. Introduction.

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Kingdom: Protista

Protists. Kingdom: Protista. Protists are unicellular organisms that have a nucleus. Similar to Bacteria. Unicellular One of the first groups of living things on Earth. (1.5 billion years ago.) Microscopic Can cause disease. Can be parasites. Same. Difference from Bacteria.

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Remember!

Remember!. Osmosis is the movement of water across a semi-permeable membrane! Until there is an equal amount of free water molecules on each side!. Osmosis in Cells. Isotonic Solution. The same concentration of solute on both sides of the membrane

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PROTISTS

PROTISTS. Diatoms. Commonalities / Differences in the Protist Kingdom. All are eukaryotes (cells with nuclei). Live in moist surroundings. Unicellular or multicellular. Autotrophs, heterotrophs, or both. Some can move - others cannot. 3 categories of Protists. Animal-like . Fungus-like.

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The Shape Shifter

The Shape Shifter. The Amoeba. Facts:. The amoeba is a tiny, one-celled organism. You need a microscope to see most amoebas - the largest are only about 1 mm across. Amoebas live in fresh water, salt water, in wet soil, and in animals (including people). . Anatomy.

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Prokaryotes and protists

Prokaryotes and protists. By Devin Chong and Daniel Estess. Prokaryotes. Prokaryotes are very common on earth, in fact, combined they are 10 times more mass than that of eukaryotes.

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Phaeophyta

Phaeophyta

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Protozoans

Protozoans. Single celled eukaryote (has a cell nucleus) that has some animal-like characteristics Many move about and feed like animals Most exist as a single cell and some live in groups called colonies Are found in the kingdom Protista. Need a moist environment to survive.

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Amoeba

Amoeba. Structure and Life. Amoeba are animal like Protists. Animal like protists are called Protozoa. Protozoans are classed by their method of locomotion. Amoeba are protozoans with a pseudopod. A pseudopod is a false foot. Amoeba ingest food by phagocytosis.

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Sarcodina: Protists with False Feet

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Large Central Vacuole/ Food Vacuole

Large Central Vacuole/ Food Vacuole. Aaron Miyamoto. Structure. Membrane enclosed sac filled with water, nutrients, waste Food Vacuole (animal cells)- formed through phagocytosis Large Central Vacuole (formed through combining of smaller vesicles). Function of Large Central Vacuole.

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Gametocytes fuse to form sporozoites in mosquito

Sporozoites enter The liver. Detoxified by heme polymerizase forming hemozoin. Mosquito infects human with plasmodium sporozoites upon biting. Sporozoites reproduce asexually and enter blood stream. Plasmodium multiply. Gametocytes fuse to form sporozoites in mosquito.

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