Biology Essays

This report entitled “Enzymatic activity of Human saliva (Salivary amylase) against temperature” aims to know and observe the enzyme activity of the human saliva. The research only included the use of starch-agar as the medium to observe enzyme activity during the experiment. Five starch-agar plates were prepared and each were …

Citronella grass and garlic as mosquito killer.The study is entitled Combined solution of Garlic (Allium sativum) and Lemongrass (Cymbopogon citratus). Specifically, it sought to find out how these two solutions (lemongrass and garlic) can effectively kill mosquitoes. It aimed at looking for an organic and safe measure in treating the …

Calcium or Ca is found in many things. The body needs calcium to maintain strong bones and to carry out many important functions. Almost all calcium is stored in bones and teeth, where it supports their structure and hardness. The body also needs calcium for muscles to move and for …

The purpose of this work is to explore the performance objectives of the Portland Plant. They have been losing money for years and they are unable to identify the reason. Without internal changes they will be unable to acquire new production contracts and they may be forced to close the …

Patau syndrome is a disorder that occurs due to the appearance of a person’s thirteen chromosome three times (trisomy 13) instead of only twice in the cell. In some cases of the disorder, only a select percentage of the cells display the third thirteen chromosome while others contain the average …

Averrhoa bilimbi L. (IBA / KAMIAS) Extract as Stain Remover l. Introduction A. Background of the studyStains are the most common problem of people living now a day because of too much works. We can remove it using a commercial stain remover, but these are harmful for it contains substances …

Gregory proposed that our past experience, knowledge, expectations and motivations can affect how we interpret the visual information we receive, therefore affecting our perception. He suggested that how we see objects is highly brain driven and indirect, and the process takes place so fast that we are unaware of the …

Procedure: To start the experiment with exercise 1, I gathered all of the needed supplies, both from around my house and from the lab paq CD. I then began exercise one by printing the images in Figure 5 from my labpaq. I then proceeded to cut out each shark. Next …

Abstract There are several types of stem cells being used in stem cell research and therapy today. They are embryonic, adult and induced pluripotent stem cells. Each will be discussed further. This topic has stirred much moral, ethical and political debate as whether cells from fetuses should be used in …

A. List the following parts of the microscope, AND Briefly describe the function of each part. A. Eyepiece – transmits and magnifies the image from the objective lens to the eye. B. Main tube – moves vertically for focusing C. Nosepiece– holds the objective lenses and rotates them. D. Objective …