Ethan+A.

flat =About Me= My name is Ethan and I am a freshmen at PAHS. My favorite subject is math cause there is pretty much always a correct answer. I love playing sports and I play football and baseball. I play Xbox Live and enjoy playing video games in general. I also like listening to music. My favorite genre is rap. I listen to Eminem, Jay-Z, Kanye West, Wiz Khalifa, Chris Webby, and Biggie Smalls.

=Paper Birch= The Paper Birch is native to North America. It's scientific name is //Betula papyrifera.// It is a deciduous tree and its relatives are trees such as the Silver Birch, Alaskan Birch, Water Birch, Red Birch, and White Birch. Its leaves simple and are also double serrated or toothed. The petiole attaches to the branch in alternate directions. The branches have tiny little bumps and small hairs on them. The bark is a creamy white color and peels off easily. The name comes from the bark because the bark looks like paper. This is one of the characteristics that you can identify Paper Birches very easily. The uses of Paper Birches are paper, leather oil, soap, shampoo, cosmetics, and some teas. http://en.wikipedia.org/wiki/Betula_papyrifera

=Redbud= The Redbud or the Eastern Redbud is found mainly in eastern North America from Southern Ontario to Northern Florida. The scientific name is //Cercis canadensis.// It is a deciduous tree and some of its relatives are the California Redbud, Giant Redbud, Mexican Redbud. Its leaves are simple and smoothed. The petiole attaches to the branch in an alternate pattern. The bark is dark and smooth. It later becomes scaly as the tree matures. Some major distinctions or characteristics of the Redbud are the pink or white flowers that develop in spring before the leaves grow. The leaves are also heart shaped which is a big distinction of the Redbud. The seed pods are long and either pink or green and normally 2-3 in. long. Some uses of the Eastern Redbud would be the use of their flowers. They can be eaten raw, used in salads, or fried. They can also be used in condiments like relish. Also the bark is used in medicine that treats dysentery. http://en.wikipedia.org/wiki/Cercis_canadensis =Biomolecules in Foods= Discuss the two foods you tested and the results from each of the 4 tests. -I tested the potato and ground beef. In the potato the only things present were starch and protein. Simple sugars and Fats and Oils were absent. In the ground beef only Protein and Fats and Oils were present. Simple sugars and Starches were absent.

Identify the biomolecules found in each of the foods/types of foods (look at all the results from the classes)

What biomolecules found in the foods were surprising to you? Why? -The biomolecule in the potato that I found interesting was there was Proteins in the Potato. I never realized that there was protein in potatoes. I thought that the only thing would be starch, but instead there was also protein. In the proteins there was nothing surprising. I figured there were going to be Fats and Oils and also Protein. It is meant and there is going to be protein because it is muscle and also fat because it comes from an animal. I didn’t think there would be sugars or starches so nothing was surprising. =Biomolecules in Food Analysis= The food that I tested was the potato. The only things present were starch and protein. The simple sugar test was clearly absent, no color change was even noticeable. The starch test was unique. I had to test it twice because the first time no starch showed up. I knew that there was starch so I tested it again and it showed up positive. The protein was present, but very slightly. The Fats and Oils was also absent and I couldn’t notice a color change in the test. Fruits contained simple sugars and some starch. Vegetables contained starches and very few contained fat. Meats and dairy contained fats and proteins. Egg white had protein and egg yolk had almost everything. In our group we tested the lettuce. I thought that there would be some nutritional value in lettuce because people always say how healthy salads are. When actually, no biomolecules showed up at all. Sugars, starches, proteins, and fats and oils were all absent in lettuce. I did not expect this. I though it would have a lot. I thought that it was a healthy food but I guess not. I though it would at least have starches or something because it is a vegetable, but actually it had no biomolecules at all. I thought it was healthy but I guess it is not. I researched lettuce on the Internet and it says that it contains 8% fat and 16% protein. When we tested for fats and proteins, none was present. However, on the Internet it says that fats and proteins are in lettuce. It is a very little amount but it is still in it.

=Biomolecules Infographic= =Food Issues Infographic= =Photosynthesis Vocab Infographic= =DNA Extraction from Human Cheek Cells Homework= Everyone in our group had different extraction results. This is because everyone is different. We all have different DNA and different daily activities. These different variables cause the extraction results to be different. Some people might have more DNA if they have more saliva or just ate or reasons like that. You have more saliva and cheek cells depending on how you bit your cheeks and the amount of saliva you normally have. It all depends on you and how you were made. Everyone is different and it caused all the results to be different. =DNA Replication Summary = DNA replication is a simple process to understand. This process splits a singles strand of DNA into two identical strands. The process starts with an enzyme called helicase. Helicase splits the DNA apart and breaks apart the hydrogen bonds. These two strands are called the leading and the lagging strands. The next step is when the single stranded binding proteins attach to the two strands to keep them from joining back together. The following step in the replication process is that another enzyme called Primase, attaches to the leading strand and gives the starting point for replication. From this starting point, the next step begins. The enzyme, polymerase binds and with the leading strand and then replicates with DNA. It attaches the nucleotide pair with the nucleotide already there. That is the final step for the leading strand, next is the Lagging strand. First the primase creates the starting point on the lagging strand. Then the polymerase replicates the DNA but only in small fragments called Okazaki fragments. Then the ligase fuses the fragments together. Then the original strand is replicated into two identical strands. =DNA Vocabulary Infographic= =Infectious Disease Infograph: Dengue Fever= Photos: http://upload.wikimedia.org/wikipedia/commons/4/48/Aedes_aegypti_biting_human.jpg http://upload.wikimedia.org/wikipedia/commons/e/ec/World_Map_Blank.svg http://upload.wikimedia.org/wikipedia/commons/8/8e/Thermometer_red.svg http://upload.wikimedia.org/wikipedia/commons/9/9f/Flag_of_the_Red_Cross.png Websites: http://en.wikipedia.org/wiki/Dengue_fever http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0002350/ http://www.niaid.nih.gov/topics/denguefever/pages/default.aspx