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Cytoplasmic Actin: Structure And Function, Justin Konig Jan 2013

Cytoplasmic Actin: Structure And Function, Justin Konig

The Science Journal of the Lander College of Arts and Sciences

Cytoplasmic actin plays a crucial role in cellular structure, cell motility, intracellular transportation, and the cell cycle. Two isoforms of cytoplasmic actin have been identified, β and γ. Although their amino acid sequence is nearly identical, these two isoforms are encoded by different genes located on different chromosomes. Recent research has found that, despite their similarities, the two isoforms of cytoplasmic actin have distinct functions. This paper will review the structural and functional differences between the two isoforms, concluding with a discussion of some mutations that have been linked to disease.


Can Marijuana Be Harmful When Used Prenatally Or During Adolescence?, Penninah Dean Jan 2013

Can Marijuana Be Harmful When Used Prenatally Or During Adolescence?, Penninah Dean

The Science Journal of the Lander College of Arts and Sciences

Marijuana is a popular recreational drug with a strong following campaigning to legalize it for both medicinal and recreational use. This paper serves to illustrate the harmful effects of marijuana use as it pertains to prenatal, adolescent and adult use. By understanding the methods of absorption and mechanism of interaction in the body, we can see a correlation between the effects of marijuana and its toxicity. Through extensive research of case studies on marijuana use we were able to determine marijuana’s harmful effects physically, developmentally and cognitively. Through these methods of research, it can be concluded that marijuana has detrimental …


The Carcinogenic Effects Of Aspartame, Devora Sara Gelbfish Jan 2013

The Carcinogenic Effects Of Aspartame, Devora Sara Gelbfish

The Science Journal of the Lander College of Arts and Sciences

Aspartame, one of the most common artificial sweeteners, is used as a food additive worldwide. Because of early experimentation with rats linking aspartame to higher risk of cancer, there is much concern regarding the safety of aspartame. However, analytical review and numerous subsequent studies have disproven previous experimentation and reaffirmed that aspartame consumption in humans does not increase the risk of cancers. At the current time there is no credible evidence to support the idea that aspartame is carcinogenic. The evidence confirms that at current levels of consumption aspartame is a safe alternative to sucrose.