Sunday, February 10, 2019
Plant And Animal Cells Essay -- Biology Biological Cells Essays
Plant and brute Cells I. incoming exclusively organisms in life atomic number 18 composed of at least(prenominal) unrivaled or to a greater extent jail stalls. Cells atomic number 18 the basic units of life. There argon trio mainfeatures of a cellular telephoneular phone. First, every(prenominal) organisms consist of champion or morecells. Second, cells atomic number 18 the smallest units of life and third,cells arise only from preexisting cells. These trinity facts arereferred to as the cell theory. every cells sens be categorize into cardinal basic cell types. They are prokaryotic and eukaryotic. To distinguish where cellsare situated in the dickens categories, what is inside the cell must world-class be considered at. Every cell, either prokaryotic or eukaryoticall reserve basic cell parts. They are a plasma membrane,cytoplasm, deoxyribonucleic acid (the familial material), and ribosomes. Prokaryotic cells thrust a simple structure and they are usuallysmal ler than eukaryotic cells. Also, most prokaryotic cells have got a cell wall. In addition to having the basic cell parts,eukaryotic cells to a fault contain a membrane-bounded center and cellorganelles. The membrane surrounding the magnetic core in eukaryoticcells, separate the nucleus from the cytoplasm.Most of the cells we utilize in the tastes held, weremulticellular or consisting of more than one cell. A variety ofcells were employ in completing the experiments. We used unioncells, freshness cells, potato cells, and Elodeo cells. We similarly usedplanaria which is a unicellular organism. Many stains and dyeswere used in the experiments. They were pissing, methylene radical blue, sodium chlorides, and iodine. In our studies of cells, we conducted three experiments totest the different features of cells. The prime(prenominal) two experimentswere on how membranes were selectively permeable, diffusion, andosmosis. To test this, we set up two experiments. The firstexperimen t we set up had three cupfuls. In each cup a potato sliceand a different liquid was impersonate in. In the first cup was alterwith distilled water. The second cup was filled with salt waterand the third was left empty. We left these cups sit for twenty- intravenous feeding hours and thus we discover them.The second experiment we set up come to dialysis renderwhich was acting like a membrane. In the dialysis tubing we spewa liquid that was made of starches and sugars. We then put thedialysis tubing into a beaker of water wh... ...c solution and sucked up some of the water in thecells. When we observed the cheek cells we found they were verydifferent from the localise cells. The nucleus was in the ticker ofthe cheek cells and on that point were a few cell organelles. ThePlanaria cell was all red and had lines running down it. In thiscell though, the nucleus was not present.The plant cells and beast cells were very different. Inthe plant cells thither was motion of cell pa rts but in the animalcells there was no motion. Also, the nucleus and chloroplast ofthe plant cell were towards the outside of the cell because thechloroplast can receive sunlight better on the outside of thecell than on the inside. In the animal cells though, the nucleusand cell organelles, were towards the middle of the cell.III. ConclusionsAll organisms in life are made of at least one or morecells. Cells are the basic units to life. Without cells lifecannot exist. In our experiments we went to look how cells rifle and what are their features. In finding thisinformation, I know have a better understanding of how cellsfunction and their specific features. Plant And Animal Cells Essay -- Biology Biological Cells EssaysPlant and Animal Cells I. IntroductionAll organisms in life are composed of at least one or morecells. Cells are the basic units of life. There are three mainfeatures of a cell. First, all organisms consist of one or morecells. Second, cells are the sm allest units of life and third,cells arise only from preexisting cells. These three facts arereferred to as the cell theory.All cells can be categorized into two basic cell types. They are prokaryotic and eukaryotic. To distinguish where cellsare placed in the two categories, what is inside the cell mustfirst be looked at. Every cell, either prokaryotic or eukaryoticall contain basic cell parts. They are a plasma membrane,cytoplasm, DNA (the genetic material), and ribosomes. Prokaryotic cells have a simple structure and they are usuallysmaller than eukaryotic cells. Also, most prokaryotic cellscontain a cell wall. In addition to having the basic cell parts,eukaryotic cells also contain a membrane-bounded nucleus and cellorganelles. The membrane surrounding the nucleus in eukaryoticcells, separate the nucleus from the cytoplasm.Most of the cells we used in the experiments held, weremulticellular or consisting of more than one cell. A variety ofcells were used in completing the experi ments. We used unioncells, cheek cells, potato cells, and Elodeo cells. We also usedPlanaria which is a unicellular organism. Many stains and dyeswere used in the experiments. They were water, methylene blue,salts, and iodine. In our studies of cells, we conducted three experiments totest the different features of cells. The first two experimentswere on how membranes were selectively permeable, diffusion, andosmosis. To test this, we set up two experiments. The firstexperiment we set up had three cups. In each cup a potato sliceand a different liquid was put in. In the first cup was filledwith distilled water. The second cup was filled with salt waterand the third was left empty. We left these cups sit for twenty-four hours and then we observed them.The second experiment we set up involved dialysis tubingwhich was acting like a membrane. In the dialysis tubing we puta liquid that was made of starches and sugars. We then put thedialysis tubing into a beaker of water wh... ...c solut ion and sucked up some of the water in thecells. When we observed the cheek cells we found they were verydifferent from the plant cells. The nucleus was in the middle ofthe cheek cells and there were a few cell organelles. ThePlanaria cell was all red and had lines running down it. In thiscell though, the nucleus was not present.The plant cells and animal cells were very different. Inthe plant cells there was motion of cell parts but in the animalcells there was no motion. Also, the nucleus and chloroplast ofthe plant cell were towards the outside of the cell because thechloroplast can receive sunlight better on the outside of thecell than on the inside. In the animal cells though, the nucleusand cell organelles, were towards the middle of the cell.III. ConclusionsAll organisms in life are made of at least one or morecells. Cells are the basic units to life. Without cells lifecannot exist. In our experiments we went to look how cellsfunction and what are their features. In finding t hisinformation, I know have a better understanding of how cellsfunction and their specific features.
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