Biology Chapter 4 Extra Credit Essays
1. An electron microscope would be better than a light microscope because an electron microscope allows you to view objects much smaller than you can with a light microscope. It might be better to use a light microscope if you are viewing a live specimen and do not want to kill it.
2. Prokaryotic cells are small, simple, no nucleus, no membrane-bound organelles, single loop of DNA (nucleosome), no cellulose, cytoplasm, cell membrane, cell wall (made of carbs), sometimes have cilia or flagella (movement). Eukaryotic Cells are larger cells, complex, with nucleus, membrane bound organelles, DNA tightly wrapped around histone proteins in chromosomes, cellulose in plant cell walls.
3. Chloroplasts are present in plant cells but not animals. They do photosynthesis and make energy. Also, cell walls, which provide structure to plant cells, are not present in animal cells. Finally, the central vacuole, which is a membranous sac in a mature plant cell with diverse roles in reproduction, growth, and development, is not present in animal cells.
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Because eukaryotic cells are compartmentalized by many internal membranes, they are rigid and able to be reproduced and attached to each other to form large organisms.
5. Chloroplasts and mitochondria do essentially the same thing – provide energy for the cell. However, the way in which they do this is different. Chlorplasts use photosynthesis whereas mitochondria convert glucose into ATP. Also, mitochondria are only found in animals, and chloroplasts in
1. An electron microscope would be better than a light microscope because an electron microscope allows you to view objects much smaller than you can with a light microscope. It might be better to use a light microscope if you are viewing a live specimen and do not want to kill it.
2. Prokaryotic cells are small, simple, no nucleus, no membrane-bound organelles, single loop of DNA (nucleosome), no cellulose, cytoplasm, cell membrane, cell wall (made of carbs), sometimes have cilia or flagella (movement). Eukaryotic Cells are larger cells, complex, with nucleus, membrane bound organelles, DNA tightly wrapped around histone proteins in chromosomes, cellulose in plant cell walls.
3. Chloroplasts are present in plant cells but not animals. They do photosynthesis and make energy. Also, cell walls, which provide structure to plant cells, are not present in animal cells. Finally, the central vacuole, which is a membranous sac in a mature plant cell with diverse roles in reproduction, growth, and development, is not present in animal cells.
4. …show more content…
Because eukaryotic cells are compartmentalized by many internal membranes, they are rigid and able to be reproduced and attached to each other to form large organisms.
5. Chloroplasts and mitochondria do essentially the same thing – provide energy for the cell. However, the way in which they do this is different. Chlorplasts use photosynthesis whereas mitochondria convert glucose into ATP. Also, mitochondria are only found in animals, and chloroplasts in