Browsing Department of Biology by Author "Arnott, Howard"
Now showing items 1-4 of 4
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An Analysis Of Tracheid Length Versus Age In A 4842-year Old Bristlecone Pine (Pinus longaeva D.K. Bailey) Called Prometheus
Halupnik, Teresa (Biology, 2009-09-16)After felling, it was revealed that Prometheus, an ancient bristlecone pine (Pinus longaeva D.K. Bailey) located in the Great Basin National Park, had been the oldest living organism at over 5000 years of age. Great Basin ... -
Comparing The Melanin-concentrating Hormone -1 Receptor Expression In The Brains Of Mice And Rats
Williams, Sidney Clayborn (Biology, 2007-09-17)The melanin-concentrating hormone (MCH) family of neuropeptides is believed to be important in controlling certain feeding behaviors. Recently, the distribution of melanin-concentrating-1 receptor (MCH-1R) in rat brains ... -
The Eggshell Structures Of Ringed Turtle - Doves (Streptopelia risoria)
Hubbard, Natalie Ellen (Biology, 2007-08-23)The avian egg provides nutrients and protects the growing embryo from physical and microbial harm. Structures fundamental to the protection are the membrane layers, which are tightly meshed networks of collagen fibers, ... -
A Study Of Factors Affecting Scale Roughness In The Western Diamondback Rattlesnake (Crotalus atrox)
Skach, Amber Gail (Biology, 2007-08-23)Reptilian scales are very complex with patterns across their surface like a human fingerprint. These patterns are species specific, but there has been no way to quantify differences. A new technique using the confocal ...