new semester begin people !

Starting a new semester as second year student is quite tough with phisiology of microbe where i will learn about the metabolism involved in the microbes . the first chapter we recall the structures of the prokaryotes that we already learn in last semester.have you still remember what is prokaryotes ?

What is prokaryotes?

Prokaryotes consist of bacteria and archea that lack or nucleus, or membrane bounded organelles,most unicellular but myxobacter have multicellular life cycle.

• ·         Bacteria(cell wall with muramic acid,membrane-ester-linkage,lipid bilayer,thymidine in tRNA)

• ·         Archaea(cell wall w/o muramic acid,membrane-ether-linkage,lipid monolayer,w/o thymidine in tRNA)

this is cell structure of procaryote

here is the function of the cell structure

1)capsule-additional cover that protect cell when it is engulf by another organism, moisture help to adhere to surface and nutrient

2)cell wall-protect the bacteria and give shape

3)cytoplasm-gel like structure mainly of water contain enzyme, salt, cell component, various organic molecule

4)plasma membrane- regulate the flow of substance in and out of cell

5)pili, fimbriae-hair like structure on the surface of cell, attach to another bacteria cell, help attachment

6)flagella-locomotion

7)ribosome-synthesis protein

8)plasmid-carrying gene, circular DNA

My friends and i were asked by Dr Wan to do some research about the types of proteobacteria. Proteobacteria is the largest division of bacteria.
It consist of 6 main groups which are:-

1. Epsilon

2. Delta proteobacteria

3. Gamma proteobacteria

4. Beta proteobacteria

5. Alpha proteobacteria

6. Zeta proteobacteria 
More information about these proteobacteria can be refered by this link below :

http://padlet.com/zuhainis/proteo

 I enjoyed learned this topic as i can remember the first semester topic as the structures of the Prokaryotes are very important in order to be easier for us to understand the further topics.