Friday, April 24, 2020

Biology, Photosynthesis Lab Report Essay Example

Biology, Photosynthesis Lab Report Paper Costa Photosynthesis Lab Report Ms. Roach AP Biology 4th Period II. Intro/Background 1 . In order for oxygen to be present photosynthesis must occur. Photosynthesis takes in light and CO, and through a series of steps produces oxygen. Photosynthesis can be measured by either the disappearance of substrate or the accumulation of product. Examples include the production of 02 or the consumption of CO. All the oxygen within the leaf disks will be removed before being placed into either of the solutions. Ill. Question Hypothesis 1 . What solution will allow the leaf disks to undergo Photosynthesis first? 2. If the cup with bicarbonate solution allows the leaf disk to produce oxygen by the process of photosynthesis then the leaf disk in the bicarbonate solution will be the first to float within the 15 minutes allowed. IV. Methods, Constants, Controls, Trials 1. A vacuum was created which removed all oxygen from leaf disks 2. The soap reduced the surface tension on the leaf disks, (which are hydrophobic) and allowed the surface of the leaf to be more permeable to the solutions. 3. The (Oxygen deprived) leaf disks were placed under a light source to mimic the suns effect. 4. Water in this case is the constant in this experiment for the being that it is the only unchanged solution. 5. Leaf disks were monitored for 15 minutes to see if they would float to the top of the solution. 6. 10 Trials were performed for each one of the solutions, giving a grand total of 20 experimental trials. We will write a custom essay sample on Biology, Photosynthesis Lab Report specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on Biology, Photosynthesis Lab Report specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on Biology, Photosynthesis Lab Report specifically for you FOR ONLY $16.38 $13.9/page Hire Writer V. Data Of Disks Time (m) VI. Analysis/Conclusion 1 . After multiple trials it was concluded that the experiment had not been carried out properly. The water solution was the one which produced floating leafs which contradicted our initial beliefs. The leaves in the bicarbonate solution did eventually float up, following the water. Perhaps not knowing how to correctly transfer the leaf disks into the solution provided a variable which allowed the disks to come into contact with oxygen in the atmosphere.

Wednesday, April 15, 2020

Introduction to Oracle Database Sample Essay

Introduction to Oracle Database Sample EssayAn introduction to Oracle database is one of the great tests of your intelligence and knowledge about different database systems. There are many ways in which an Oracle database can be handled and an introduction is the best way to handle them in a systematic manner. We have to say that it is the introduction of an introduction and when you see the hand of the author, you will understand that this is the right time for you to make your opinions known. There are a number of ways in which you can introduce the database.The first way is to provide an introduction which will go a long way in telling you all the information about the Oracle database. You should give as much information as possible about the advantages and disadvantages of the database as well as its features and functions. By making use of the general terms and putting emphasis on the common usage of these terms, you will make it easy for the student to understand the topic in t he essay.In addition to this, you should also tell all the advantages and disadvantages of using the database. You should indicate if the database is suitable for huge databases, while another will be suitable for small databases. You should also discuss the internal linking of the database, in case you are the author of the essay. By dealing with all these aspects of the database, you will help the student to think logically.The other thing which is important in introducing the database is to discuss about the basics of the introduction itself. The basics of the database should be discussed by the author, so that the student understands that this is the right time to discuss the basic concepts in the essay.These basics should be explained as the database operates in such a way that it can support any kind of database. Therefore, if we are talking about real life problems, we should also talk about these problems and how the database solved them in the best possible way. Once we get the basics of the database cleared, we can now discuss the different forms of the database. We should talk about different forms of the database and how they are used. Then, we should discuss about the difference between the database and the application and the differences between the database and the web.We should discuss the use of the database as well as the use of the web. After all these things are clarified, the final topic should be discussed in detail. This topic should be about the factors which the author sees in the way the database has done in his/her own opinion.Therefore, the introduction to Oracle database is not just a mere way to introduce the database but also a way to discuss the pros and cons of the database. We should be well versed with the issues before discussing the pros and cons of the database.