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Biology essays

Four Major Organic Polymers

Cells can be considered as the basic unit of an organism composed of carbon-containing molecules, water, and inorganic ions. Fundamentally, the interaction between cell constituents and water plays a...

Genetically Modified Animals

For centuries, people have been changing the genomes of plants and animals by using traditional methods of selection. The artificial selection of the desired properties led to the breeding...

Menopause and Aging

Summary Every organism undergoes various biological changes in the process of growth and development. Organisms undergo three major steps in their lifespan, which include growth, development and ageing. According...

Ultraviolet

Introduction When rays reach the Earth, they change their property at the Earth’s atmosphere, and are partly absorbed by ozone, small droplets of steam and air components such as...

Wastewater Recycling

The global shortage of water resources makes people think about the possible solutions and ways out of this problem. The lack of fresh water supply hits the economy, affects...

Down’s Syndrome

In the world today, there are many events that require more than ordinary attention. Such cases demand serious concerted efforts either to alleviate undesirable consequences or improve the quality...