Essay on strawberry dna extraction lab strawberry dna extraction donovan roberts mrs caudill honors biology 3/7/11 introduction the structure of dna is made of nitrogenous bases, phosphate groups, and sugars. The dna is not soluble in the alcohol unlike the soap only the dna that directly dna extraction essay soft fruit (eg, grapes, strawberries, banana, etc. Dna extraction dna, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms nearly every cell in a person's body has the same dna most dna is located in the cell nucleus where it is called nuclear dna , but a small amount of dna can also be found in the mitochondria where it is called mitochondrial dna. Paper strawberry extraction lab report it would you expect the method of dna extraction we used for the strawberry to be the same for this is a classic kitchen science experiment because it is insanely cheap. Introduction we will write a custom essay sample on laboratory experiment - extraction of dna from strawberries essay or any similar topic only for you order now deoxyribonucleic acid, short for deoxyribonucleic acid, is present in all life organisms' cells.
• use an extraction procedure to isolate dna from the cells of a strawberry • determine how each of the ingredients in the protocol helps to extract dna • extract a visible mass of dna from strawberry tissue. In chemical science extraction is the physical procedure by which a compound ( or mixture of compounds ) is transferred from one stage into another one type of extraction is an organic dissolver extraction in which an organic dissolver with a high affinity for the coveted compound is used to pull out the compound. In this lab, you extract and isolate dna from strawberries using simple, household ingredients use your hands and fingers to mash, smash, and moosh the strawberry inside of the bag you don't want any large pieces remaining pour the resulting strawberry pulp and extraction mixture through a. How to: extract dna from a strawberry have you ever wondered how to extract dna from a strawberry if so today you're going to learn in order to do this you're going to need: rubbing alcohol, a measuring cup, a freezer or ice, salt, glasses, some shampoo or dish liquid, strawberries, coffee filter, toothpick or craft stick, and a rubber band.
My observations from my experiment were that the strawberries dna was the quickest to form when the alcohol was added and it was easy to see it as it stuck to the skewer and was easy to observe. During a dna extraction, a detergent will cause the cell to pop open, or lyse, so that the dna is released into solution then alcohol added to the solution causes the dna to precipitate out. Dna extraction - strawberry strawberries are octoploid, which means they have eight sets of chromosomes the procedure for extracting dna from a strawberry is simple, and the results are usually obvious, it is easy to see the white strands of dna within the pink solution of strawberry juice.
-in comparing the extraction of strawberry dna compared to human dna, given a sample of the same amount of cells, there would be more dna extracted from the strawberry for it has eight sets of chromosomes while humans just have two sets. Design a dna extraction kit and use it to purify dna from strawberries module 3: strawberry dna extraction teacher/leader as far as we know, this is the first report on dna extraction from a unedo, and we expect that this optimized.
The results and discussion show that the hypothesis has been confirmed, as isopropyl, a secondary alcohol was the best alcohol for extracting dna this was because it causes more dna to precipitate in the future, the recommendations for further improvement should be followed, to gain better results. Experiment 6 dna extraction from strawberries submitted by: mae abeguel l hapal bs iop 4-2 submitted to: sir dennis macapagal background of the study: since dna is the blueprint for life, everything living contains dna dna isolation is one of the most basic and essential techniques in the study of. Extracting dna from strawberries: a super fun experiment we found on kidscienceapp is extracting dna from strawberries dna is the blueprint for all organisms it can be found in the nucleus (via the homeschool scientist) [. Inside the alcohol solution the precipitated dna was visible as mucus like substance using the wooden coffee stirrer, the dna could be spooled out of the solution all of the above steps were completed in the same manner for the banana dna extraction except for the adding of water during the smashing of the fruit.
Published: wed, 23 may 2018 introduction this life science based experiment will test strawberries in their various stages of ripeness, in order to see which stage will yield the most extractable dna. Dna strawberry conclusion essay the hypothesis for this lab is if strawberry dna is separated from other components, then when it is placed in a insoluble solution the dna can eventually be isolated - dna strawberry conclusion essay introduction.
If the activity works, a clumpy whitish material resembling snot should be visible after the alcohol is added to the strawberry extract this will be the dna from the strawberries the amount of dna that is isolated may vary depending on a few factors such as the size of the strawberries used and how well the strawberry was crushed. More essay examples on dna rubric to extract dna from the fruit of a strawberry plant procedure: a strawberry was placed in a zip lock bag - strawberry dna extraction essay introduction. Add 3 tbsp of the extraction liquid you made in step 2 to the strawberries in the bag push out all the extra air and reseal the bag the liquid detergent will help break the strawberry cells open, allowing the dna to spill out.