Essays on Biology

“Only when the last tree has been cut down, the last river has been poisoned, and the last fish has been caught, will we realize that we cannot eat money” – Plains Sioux Native American Society alludes to set of people; who live respectively in…

To everyone’s surprise, the Harvard paleontologist, Stephen Jay Gould went against a theory that has been accepted and studied for over one hundred and fifty years. Charles Darwin had found a conclusion to the theory of evolution after years of research and voyages. Only for…

Abstract Insulin is the hormone our pancreas produces to allow our cells to use and stockpile glucose we obtain from consuming food. With the of loss insulin our bodies would not be able to control blood sugar levels, making it necessary hormone for us to…

Mitosis is the cell division which results in the two-daughter cell that have the same number of the chromosome as the parents have. I have used three research paper for my review paper they are multivalent binding of PWWP2AtoH2A.Z regulates mitosis and neural crest differentiation,…

Abstract Neutral red dye transports through a membrane of yeast cells using active transport.. We decided that changing glucose concentration could overcome inhibition of active transport channels in S. cerevisiae and lead to an increase of ATP made available to the cell; therefore an increase…

Meiosis in angiosperms (flowering plants) occurs within the floral organs of the plant and is defined by two major features: recombination of the pre-meiotic chromosomes and the reduction of ploidy in half. The ploidy is reduced in half because a single round of DNA replication…

Erythrosine (disodium salt of tetra iodofluorescein) an artificial red dye (cherry-pink) vastly used in food, pharmaceutical and cosmetic colouring made from coal tar (Combes and Haveland-Smith, 1982). According to the World Health Organization iodine may be affect thyroid which leads to thyroid tumors. Erythrosine gives…

Defective disjunction of sister chromatids can arise due to aberrant DNA structures that are mainly detected during anaphase and are known as ultrafine anaphase bridges. These bridges have to be repaired otherwise the bridge persists into cytokinesis and could give rise to chromosomal instability. Ongoing…

This assignment will talk about the origins and effects of Ebola. Plus the characteristics of Ebola and what makes it so dangerous to human life. Also this assignment will talk about what will happen when Ebola enters the human body such as the physical effects,…

Ebola is a zoonotic disease, meaning that the disease can spread within, and infect across, both human and animal populations. In Ebola’s case the virus has been seen to spread through non-human primate populations with similar levels of devastation to that of humans (1), however…