Essays on Proto

Introduction

The pollution in the highly urbanized areas allows the phenomenon called ‘greenhouse effect’ wherein the heat from the Sun is trapped on the land causing tremendous amounts of heat and leads to numerous issues such as the rise of temperature, drought, the melting of icebergs, and high evaporation of water. Unfortunately, the cities contribute to this effect, the use products containing CFC’s and the pollution of too much carbon dioxide in the atmosphere leads to the destruction of the ozone layers. With the destruction of the atmospheric barrier, the excessive radiation from the sun cannot be prevented. In ...

Term renaissance (French for rebirth) is known to most people. We are familiar with the heritage of the epoch – paintings, literature, music and know a lot about philosophical course of the time. However, I would like to focus on the very first accords of the period, looking at what led to it and who stood at its origins. Renaissance is a transitional era; from the mediaeval to the modern world (Sanford). During Renaissance no great philosophical systems are built - this time is for experimenting, trying different possibilities reorientation. At the same time, Renaissance may be referred to as ...

Cancer is a disease characterized by uncontrolled division of body cells. The uncontrolled division of body cells is caused by genetic mutations in the genes coding for proteins that regulate cell growth and apoptosis. Cancerous cells have some unique characteristics like increased rate of cell division, avoidance of cell death, and initiation of angiogenesis. Cancer cells also exhibit altered differentiation, nonresponsiveness to antigrowth factors and contact inhibition and self-sufficiency in growth factors (Connie et al, 2011, pg 39). Cancerous cells are highly invasive. The ability of the cancerous cells to spread to other regions of the body is called ...