Biology essay samples

Color Blindness

Introduction

Despite technological advances, ongoing scientific investigations, improvements in health care, and new research techniques, causes and nature of genetic mutations remain understudied. “Genetic disorders comprise a vast galaxy of anomalous conditions and exert an extraordinary impact on the... read more

What is macroevolution? How does it differ from microevolution? What evidence do we find in the fossil record that indicates macroevolution has occurred?

Macroevolution is the creation of new species, for example, reptiles from fishes or mammals from reptiles; but microevolution refers to adaptations to the environment that lead to differences within a certain species of organis... read more

Human beings regularly come up with ways of producing and consuming material resources. Global population growth is the main reason for innovation and sustainability. High population growth leads to increased consumption; therefore, production must increase. Human beings need to invent methods, which are within ecological limits, to conserve the environment. Natural resources are vital to hu... read more

The nervous system can be defined as an integrated system of cells, tissues and organs that coordinate the body’s actions and responses to external and internal stimuli. The nervous system can be divided into the Central Nervous System (CNS) and the Peripheral Nervous System (PNS). This paper will compare and contrast the two systems.

The PNS comprises of nerves and ganglia whos... read more

Deep sea diving has always attracted people with the enigmas which reign under the tons of water, usually ocean waters, though divers explore all possible water reservoirs. Many followers of deep sea diving cannot imagine their lives without this type of sports as it opens for them an entirely new world which they can never meet above the surface. Nowadays, deep sea divers often use scuba di... read more

Abstract

The spread of the HIV virus could be the one of the main threat to the population of the world. There were many attempts to provide the infected people with the efficient vaccine. This research study shows the last attempts of the scientist to develop the vaccine to fight the HIV virus. It also highlights the importance and difficulties of the production of the vaccine ... read more

Leukemia and lymphoma are heterogeneous disorders with various clinical courses. Both disorders are biologically indistinguishable. Lymphoma or its clinical term Small Lymphocytic Lymphoma is a term used for initial presentation in tissue, and where leukemic phases of bone marrow or peripheral blood are absent in cases (Cecilia et al., 2011). Lymphoma starts in the lymphoid tissue while leuk... read more

There is a number of diseases that can’t be treated with specific drugs or antibiotics because of their genetic nature. Genetic disorders involve a wide range of disasters caused by the improper functioning of a single gene or several genes. Drugs and antibiotics used by the classical medicine can just facilitate the state of the patient, they can’t c... read more

Question: How does cell size affect the rate of diffusion of materials into a cell? Background information Cells are so small that their existence went unnoticed until the microscope was invented. The microscope allowed scientists to examine the cellular make up of living organisms for the first time. A question that arises is: why are cells so small? Is there a factor that limits the size ... read more

Cancer disease can take several forms, but the most dominant one among women is “Breast Cancer”, with the statistics predicting about 12% of women in the US alone will test positive for this disease. In light of this severity, the current research is based on a rigorous process of improving the breast cancer patients’ life chances by inventing numerou... read more