Based on Baluska et al. (2004)'s paper entitled "Eukaryotic Cells and their Cell Bodies: Cell Theory Revised" 1. What are the reasons why we need to revise the cell theory? Specify the parts why it is problematic and explain.
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Based on Baluska et al. (2004)'s paper entitled "Eukaryotic Cells and their Cell Bodies: Cell Theory Revised"
1. What are the reasons why we need to revise the cell theory? Specify the parts why it is problematic and explain.
2. What is the cell body being proposed by Baluska (2004) and what makes it the ‘actual’ basic unit of life? Explain.
3. What is the cell periphery apparatus? How is it related to the aforementioned cell body? Explain.
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- Based on Baluska et al. (2004)'s paper entitled "Eukaryotic Cells and their Cell Bodies: Cell Theory Revised" 1. What are the reasons why we need to revise the cell theory? What parts of it are problematic? 2. What is the cell body being proposed by Baluska (2004) and what makes it the ‘actual’ basic unit of life? 3. What is the cell periphery apparatus? How is it related to the aforementioned cell body?Q1: What structures do prokaryotic and eukaryotic cells have in common? Q2: What cellular processes occur in both prokaryotic and eukaryotic cells? Q3: Both plants and animals are eukaryotes, but there are differences in their cellular structure. What are those differences?Which of the following statements is correct about the three classical postulates of cell theory: I. All organisms are composed of one or more cells. (Virchow)(1858) II. The cell is the basic unit of life in all living things. (Schleiden & Schwann)(1838-39) III. All cells are produced by the division of preexisting cells. (Virchow)(1858)
- Which of the following biologist/s proposed that cell is the structural and functional unit of life? A. Robert Brown B. Robert Hooke Theodore Virchow D. Schleiden and Schwann The modern principles of the Cell Theory include the following except A. All cells are basically the same in chemical composition. B. All cells come from pre-existing cells by spontaneous generation. C. All energy flow (metabolism and biochemistry) of life occurs within cells. D. Cells contain hereditary information which is passed from cell to cell during cell division. If you were asked to arrange the components of cell theory, which of the following is the best order of the components of the Cell Theory? I. All living things are composed of one or more cells. II. The cell is the basic unit of life III. All cells arise from preexisting cells. IV. All cells undergo complete development . A. , III, B. , II, C. , III, II, IV D. , II, III, IV Which cell structures are similar in the way they protect, support,…Which of the following best distinguishes a prokaryotic cell from aeukaryotic cell?a. Prokaryotic cells have a cell wall, but eukaryotic cells never do.b. Prokaryotic cells are much larger than eukaryotic cells.c. Prokaryotic cells have flagella, but eukaryotic cells do not.d. Prokaryotic cells do not have a membrane-bound nucleus,but eukaryotic cells do have such a nucleus.e. Prokaryotic cells have ribosomes, but eukaryotic cells do nothave ribosomes.Cell walls exist in plant cells for the purpose of rigidity and structure, but how come they are also present in prokaryotes? Which types of cells exactly have cell walls? Is it all cells but animal cells?
- a) Do you think that most plant and animal cells are similar to does we observed today? b) Both atoms and the cells viewed today are small. Describe at least teo ways in which atoms and cells differ? c) What criteria can you use to distinguish between cells of the organisms belonging to different eukaryotic kingdoms (planta, animals , fungi)The cells labeled A came from a human cheek. The cells labeled B came from an aquatic plant called Elodea. Which is a difference you can see in these images? 1. there is only one cheek cell but many Elodea cells 2. the cheek cells have organelles, the Elodea cells do not 3. all these choices are correct 4. the cheek cells are eukaryotic, the Elodea cells are prokaryotic 5.the cheek cells have no cell wall, the Elodea cells doThere are many different types of organisms, but all of them are composed of cells. Some are single-celled organisms while others are of many cells. Regardless of their cellularity, cells are small. Why it should be small? If there is a unicellular organism which has only one cell that is as big as a human, what are pros and cons?
- How does the cell theory contribute to our understanding of the evolution of life?Which of the following is not true of ALL eukaryotic cells? explain why A. They have membrane-bound organelles B. They have chloroplasts C. They have a nucleus D. They have a cell membraneWhat part of the cell theory did rudolf virchow propose