E-Portfolio Microbiology II Week 12

Assalam all, so this week actually we do not have any BMY class due to the General Election 14 on 8th of May, Wednesday. Hope to update more to you guys soon. Bye :0

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E-Portfolio: Microbiology - Week 7

Imej
What is up, people! This week, we learned on internal structure and its function of a prokaryote with Dr. Wan Courtesy: https://www.shmoop.com/biology-cells/prokaryotic-cells.html I am actually quiet interested with plasmid, a small structure, circular, double-stranded DNA molecule that is distinct from a cell's chromosomal DNA. Plasmids naturally exist in bacterial cells, and they also occur in some eukaryotes. Often, the genes carried in plasmids provide bacteria with genetic advantages, such as antibiotic resistance. Plasmids have a wide range of lengths, from roughly one thousand DNA base pairs to hundreds of thousands of base pairs. When a bacterium divides, all of the plasmids contained within the cell are copied such that each daughter cell receives a copy of each plasmid. Bacteria can also transfer plasmids to one another through a process called conjugation using sex pili. For our experiment this week, we had done Gram staining and Acid-fast staining....
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E-Portfolio BMY3101 - Week 5

Imej
This week we were given a group task to choose a prokaryote and to make a presentation about the prokaryote. We had chose Serratia marcescens which is  a motile,short rod-shaped, Gram-negative, facultative anaerobe bacterium, classified as an opportunistic pathogen. It was discovered in 1819 by Bartolomeo Bizio in Padua, Italy. Bizio named the genus Serratia in honor of and Italian physicist named Serratia, and chose marcescens for the species name after the Latin word for decay.   S. marcescens was first thought to be harmless (non-pathogenic). Due to its ability to produce red pigmentation, it was first used in 1906 as a marker in order to trace bacterial activity or transmission. It was not until later in the 1950’s that the US government experimented with the S. marcescens and the harmful effects that the bacteria causes were revealed. A study using S. marcescens was carried out to determine the possibility of biological weapons being transmitted by wind current. ...
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E-Portfolio BMY3201 - Experiment 6

Imej
11th October 2017 For Experiment 6, we learned on how to measure microorganism under the microscope. Basically we used an ocular micrometer, a lens with scale from 0 to 100 and stage micrometer, a slide with scale of 0.01 micrometer. The ocular micrometer was put inside one of the ocular lenses before observing. Ii get me took quite some times before I figured out on how to measure the microbes. We measured Staphylococcus aureus , Bacillus cereus and Serratia marcescens. Here are some pictures of the microbes under the oil immersion lens. This is Serratia marcescens under oil immersion lens This is  Staphylococcus aureus  under oil immersion lens
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