Guanine

Introduction Background This experiment pertained to identifying an unknown bacterium. This bacterium was retrieved from a member of our group’s hand. Bacteria are prokaryotic, but like all other living organism there are many genus and species. Through experimentation these unknowns can be found can be brought to light. Bacteria can be classified either gram-positive or gram-negative. These groups differ by the composition of their cell walls. In particular, the difference in the composition…

Living organisms are made from cells. There are two types of cells: Prokaryotic and Eukaryotic. Prokaryotic cells do not contain a nucleus or membrane bound organelles. Eukaryotic cells are more complex because they contain both. Plants and animals are made from eukaryotic cells, but they are different. Plants have a cell wall that provides more structure and the also have chloroplasts that help them carry out photosynthesis. Animal cells have neither of these. Stem cells are a unique type of…

Neurodegenerative diseases are distinguished by progressive neuronal cell loss with clear patterns in disparate disorders such as Alzheimer’s, Parkinson and Huntington’s. They are responsible for around 4% of fatalities worldwide and 5% of disability-adjusted life years from a non-communicable disease (NCD). Neurodegenerative disorders are not only caused by genetics but protein misfolding disorders and protein degradation by the proteasome system. These disorders continue to increase as well as…

had taken the drug during their pregnancy. The drug was able to cross the placenta and interfere with the distribution and spread of nutrients to the baby. The drug proved itself to be a mutagen due to the fact that it commonly inserted itself into guanine sites of the new baby. This caused the DNA to be disrupted and malformations to occur (Stephens, 2000). Along with disrupting the DNA thalidomide also interfered with the production of proteins and angiogenesis. Angiogenesis is the development…

Sung Noh 12/11/2014 BSCI 330 Hypermethylation in patients with Myelodysplastic Syndrome Myelodysplastic Syndrome is disease of the bone marrow in which its ability to produce viable blood cells has been compromised through mutation. In healthy bone marrow the Osteocytes that live within produce hematopoietic stem cells that mature to become different components of blood: erythrocytes, neutrophils, monocytes and platelets (Saba et. al, 2007). Osteocytes that have undergone mutations produce a…

Gas Exchange + Transport Pulmonary circulation: circulation from heart to lungs Systemic circulation: circulation from lungs to organs Gas exchange is the movement of oxygen from the lungs to the blood and the movement of carbon dioxide from the blood to the lungs. This exchange occurs in the capillaries, which are microscopic vessels in the lungs. In humans, nutrients and oxygen are transferred through the bloodstream. Cells can’t rely solely on diffusion, so this transport system is important…

According to http://www.encyclopedia.com, DNA which stands for deoxyribonucleic acid is used for human genetic makeup. It has different sequences of bases and exist in human body. The sequence of it nucleotides are A, T, G, C; or, adenine, thymine, guanine, and cytosine, respectively. A DNA fingerprinting, is a DNA pattern that has a unique sequence such that it can be distinguished from the DNA patterns of other individual. The two major uses for the information is for personal identification…

Introduction Deoxyribonucleic Acid, or DNA is defined as the hereditary material in humans and almost all other organisms” (Genetics Home Reference). Breaking this definition down is simply the genetic material passed down from generation to generation, and everyone has it. There is technology that analyzes DNA that can identify an individual just from skin flakes or hair follicles. This makes identifying an individual simple. This makes identifying a criminal offender simple. DNA…

The Three Greatest Advances in Health Care Science Modern, effective healthcare practices have come about because of decades of scientific advances and innovations shown in clinical trials and other studies to prevent, cure, or alleviate human disease (House of Lords, 2009). The advances have provided nations with access to new or improved therapeutic and diagnostic methods that have the potential to reduce morbidity and mortality thereby improving the quality of life far beyond what was…

establishing the structure of DNA and how it transmitted genetic information. In 1950 he used paper chromatography to separate organic bases and measure the amount of each base in order to determine the ratio of the bases adenine-thymine (A-T) and cytosine-guanine (C-G) in DNA were constant and equal. This would in turn allow Watson and Crick to recognize base pairings and disproved the previous tetranucleotide model. Further studies on DNA were conducted using X-rays, discovered in 1895 by…