Biology Essays

Charles Darwin discovered and developed this evolutionary mechanism called natural selection. It basically stated that if there existed variation in population there would be a struggle of survival. Darwin meant that those traits that were the most fit would be passed on to the next generation more often. Charles Darwin’s …

INTRODUCTION Microorganisms cause a great amount of diseases. For healthcare providers it is very important to be aware of what organisms are pathogenic and cause a disease and, therefore, to find an appropriate treatment. Different microorganisms require various environments in order to replicate and to become dangerous for a person’s …

Introduction Every cell needs a source of energy in order to perform their daily functions. However the process to get this energy is different for plant and animal cells. Plants cells undergo a process called photosynthesis where light energy from the sun is used to convert carbon dioxide and water …

Aim: To investigate the effects of temperature on the activity of lipase enzyme on milk which contain fats or lipids. Introduction: Enzyme is a kind of biological catalyst that made up of protein. It can speed up the metabolic reactions on various kinds of substances. Like lipase can break down …

“Heredity determines personality.” (a) Build an argument to support this statement. (b) Build an argument against this statement. Personality is defined as the sum total of beliefs, behaviors, attitudes and values that distinguishes an individual. Each of us has unique personalities which distinguish us from the others. Even twins who …

Surgical Site Infection has a broad spectrum of scientifically attached possible features. The Centers for Disease Control and Prevention (CDC) define it as the infections that take place or occur to the surgically treated site through external effects after the surgery. In the 2010 report done by the CDC where …

1. What do we call electrical messages that are sent down the axon of a neuron? Action potentials 2. In one sentence, describe how the electricity in an action potential is generated. Generated by the opening of gated sodium channels 3. Draw a diagram of the cell membrane of the …

Early childhood is a time of massive growth in all areas of development. A needy newborn grows into a little person who can take care of their own body and interact with others. Because of this, the primary developmental task of this stage is ‘skill development’. Between birth and age …

Most of us sense that time is passing and realize that at some point death will be inevitable. Before we get to that ultimate end our body goes through various changes will ultimately lead up to that point. On average human life expectancy ranges from 70 to 80 years. As …

Fomite Transmission 1. Prepare two agar before the experiment. 2. Divide the two petri dishes into four quadrants each, numbering 1 through 8 3. Identify eight areas in the home that may be a source of fomite transmission, then form a hypothesis. 4. With a moist swab of distilled water …