About me | Paper Birch | Devil's Club | Biomolecules Lab | Food Issues Infographic | Biomolecule Infographic | Photosynthesis Infographic | DNA Extraction Lab | DNA Replication Summary | DNA Infographic | Infectious Disease Infographic

About me

My name's Andrew, I'm a freshman in high school, I listen to a variety of music; like pop, rap, celtic, classical, or anything that sounds good. I love doing parkour and it's the only sport I play. I'm a Steelers fan. I don't play a lot of video games aside from Minecraft. I live with my mom and my brother, and I have two cats and a dog.

Paper Birch

The tree that I drew was a paper birch, a.k.a. grey birch. It's species name is betula papyrifera, it is related to number of other trees, the european birch (betula pendula), betula jacquemontii, the southern birch (betula nigra), and some aspens. It is a deciduous tree which means it loses it's leaves in winter and fall, it's leaves are pinnate, appear alternately, and have serrated margins. The bark of this tree is unique, it is white and develops black stripes in older age, also the bark peels off naturally and reveals a tan colored inner bark. The blades of this tree's leaves are leathery and smooth. During and long before colonial times, native americans and possibly some settlers used the thin peeling bark to write on, using berry juice as ink. The bark could still be used to write on today, but it's not exactly practical. Picture found at http://en.wikipedia.org/wiki/Paper_birch
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Devil's Club

The second tree I drew was the Devil's Club, it's species name is oplopanax horridus and it has a close relation to American ginseng. The Devil's Club is a deciduous tree with palmate, lobed leaves that grow in a spiral formation along the branch. The spiral leaf formation is interesting because it is not a common trait, another unique trait of tree is that it's branches and stems are covered in brittle spikes that serve as protection. The way that this tree reproduces is also interesting, it forms what is called a clonal colony, this means that if you find a group of these trees together, it is not unlikely that they were once one tree; essentially this tree reproduces by budding and cloning itself. The Native Americans found good use for the berries of this tree, they used them as food and medicine and also the juice from the berries to make paint, which some artists still do today. Here is a picture of the main trunk of a devil's club tree, found at: http://en.wikipedia.org/wiki/File:Oplopanax_horridus_15099.JPG
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Biomolecules Lab

In our biomolecules lab, we tested four different food substances. They were liver, apple, egg yolk, and avocado. We tested these substances for four different biomolecules each; they were simple sugar, starch, protein, and fat. Egg yolk and avocado both contained all four of these biomolecules. I was not expecting egg yolk to contain protein because I was under the impression that it was all-fat. The liver contained protein, fat, and starch; but no sugar. These results I was not surprised at. The final substance, apple, only contained sugar. Again, not surprised. In summary, egg yolk contained all four biomolecules; as did avocado. Apple contained only simple sugar; and liver contained protein, fat, and starch.


Food Issues Infographic

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Biomolecule Infographic

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Photosynthesis Infographic

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DNA Extraction Lab

Not everyone in our group had the same results because not everyone followed the procedure as precisely as was necessary. Day to day activities like eating would affect how much DNA we got because we took it from the mouth. Eating would leave some food residue on the inside of the mouth and it is possible that some of that food’s DNA was collected.


DNA Replication Summary

In the first step of DNA replication, an enzyme called helicase breaks the hydrogen bonds holding the nucleotides together. This separates the DNA into two individual strands. Next, single stranded binding proteins are attached to each strand to prevent them from reattaching back together. The two newly created individual strands of DNA are called the leading strand and the lagging strand. To replicate the leading strand, an enzyme called primase is used to create a starting point for another enzyme called polymerase, which is used to replicate the rest of the strand. The lagging strand is replicated in segments call Okazaki fragments. After these fragments are created, an enzyme called ligase fills in the gaps between the sections.

DNA Infographic

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Infectious Disease Infographic

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Person with the cold- http://marinpiratesmasters.com/wp-content/uploads/2010/12/cold.jpg

Person with influenza- http://www.maniacworld.com/out-sick-with-the-flu.jpg

Influenza virus- http://www.bioquellus.com/interface/assets/images/content/Influenza_virus_2008765.jpg

Person sneezing- http://www.epr.cornell.edu/images/Sneezing_Man.jpg

Airborne virus- http://www.sciencephoto.com/image/263453/350wm/M3120022-Virus_protection_face_mask-SPL.jpg

Physical contact- http://i.dailymail.co.uk/i/pix/2011/10/09/article-0-0E4CE4A700000578-771_468x381.jpg

Pneumonia- http://www.altmedicinezone.com/wp-content/uploads/2011/09/walking-pneumonia-treatment.jpg