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    Eukaryotes

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    table below‚ compare prokaryote and eukaryote cells. Prokaryote Eukaryote 70S (small) ribosomes The nucleoid is naked DNA No mitochondria Cell parts The cell parts float in the cytoplasm Under 10 micrometers in diameter 80S (large) ribosomes True nucleus contains DNA Mitocondria Organelles in discrete membranes Internal membranes enclose organelles 10-15µm in diameter 2. What is the literal meaning of the term eukaryote? The term ‘eukaryote’ means “true nucleus” because it has

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    people study hard about cells and find many benefits from the study of cell. The knowledge about the cells and components in it benefit humans to use the continuous developing knowledge comercially. Objectives 1. To identify prokaryote cell and eukaryote cell. 2. To compare between prokaryotic and eukaryotic cells 3. To differentiate between animal and plant cell. 4. To identify the organelles and describe the functions of each organelles. Equipment and Materials 1. Microscope 2. Methylene

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    nucleus‚ where the DNA is spread around the cytoplasm of the cell‚ an example of a prokaryote is a bacterium (See Figure 1). The other class is the Eukaryotes which are the cells of plants and animals‚ and example is a palisade cell (See Figure 2). Both have similarities and differences in their functions and structures. Both Prokaryote and Eukaryote cells consist of Cell wall‚ (however this is not present in animal cells) - this is made of Peptidoglycan (though the plant cell is made of cellulose

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    Origin of Eukaryotes * The origin of eukaryotes is important to understand the origin of modern complex cells. There are three main separate theories that hypothesize the origins: the three-domain system‚ eocyte theory‚ and endosymbiosis. Each one have there own merits and evidence supporting. These theories suggest the evolution of cells from the most primitive prokaryotes‚ unicellular organism having cells lacking membrane-bound nuclei‚ to the most complex eukaryotes‚ single or multicellular

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    According to the website www.tutorvista.com‚ Prokaryotes differ from eukaryotes in their structure‚ packing‚ density‚ and arrangement of their genes on the chromosome. Differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts‚ the cell wall‚ and the structure of chromosomal DNA. All cells share some common characteristics that make them living things and all organisms are composed of cells which are the basic fundamental unit of life.

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    Protozoa are single-celled eukaryotes organisms whose cells have nuclei that normally show characteristics associated with animals‚ most common mobility and heterotrophy. They are often grouped in the kingdom Protista together with the plant-like algae and fungus-like water molds and slime molds. Most algae are classified in the kingdoms Plantae and Chromista‚ and some the remaining forms may be classified as a kingdom Protozoa. The name is misleading‚ since they are not animals. Protozoa have traditionally

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    Cellular boundary plasma membrane Cell wall ridgidity‚ cellular protection peptidoglycan; composed of carbohydrates and peptides plants‚ ridgidity‚ cellular protection (not in animal cells) cellulose‚ carbohydrates DIFFERENCES Prokaryotes Eukaryotes size Small‚ few microns Large‚ average cell is 5-20 m‚ frog egg is 1mm ~10 times the length ~1000 times the volume nuclear region nucleoid‚ poorly demarcated region of the cell where the DNA is located not bounded by membrane nucleus‚

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    Prokaryote Organelles: Nucleoid Region: The region in a prokaryotic cell consisting of a concentrated mass of DNA. (The “nucleus” of a prokaryotic cell) The nucleoid instructs all the organelles on what to do. Ribosome: A cell organelle consisting of RNA and protein organized into two subunits and functioning as the site of protein synthesis in the cytoplasm. The ribosomal subunits are constructed in the nucleolus. (Make proteins from amino acids) The nucleoid controls the ribsomes and specifies

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    7:30-8:30 Section: BSEd-2B I. Objective(s) At the end of the 60-minute period‚ at least 75% of the student’s should be able to: 1. Differentiate prokaryotic from eukaryotic cells. II. Subject Matter a. Topic: Prokaryotes and Eukaryotes b. References: b.1. Department of Education. 2002. Operations Handbook in Biology: 2002 Basic Education Curriculum Secondary Level. II. 1. 1.4. b.2. Department of Education. 2009. Science and Technology Biology Textbook. Book Media Press‚

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    Table of Contents Contents Page No. Task 01 1.1How Archaea is similar to Eukaryotes and how they differ from Bacteria………..02 1.2: Importance of co-ordination between sub cellular organelles in Eukaryotic cell‚ using protein synthesis and transportation within cells…….…………………04 1.3 Explain the role of different types of transporters in cell membrane……………....07 Task 02 2.1 Explain how in each stage of

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