What disease does the bacteria Campylobacter jejuni cause and how?
By: Triana Rathads
Campylobacter jejuni is a gram negative bacterium, which is long, thin, spiral, with one flagella at either end, making it highly motile. It is thermophilic, and microaerophilic (prefers less than 10% O2 and more than 5% CO2). This bacterium lives in the avian caecum in...
By: M E Skeel
The vast majority of living plant species belong to the group called the Angriosperms or flowering plants. The term denotes the common characteristic of having seeds encased in an ovary and differentiates them from the gymnosperms, in which the seed is 'naked'. Angiosperms are wonderfully...
By: Ashok A
The insect world exploredWhat do most people think of when you mention"insects"? Well, they may think of pests, such as flies, mosquitoes, moths, and beetles. Or they may think of ants and bees and wasps; and attractive insects like butterflies. And then if you ask...
The cell nucleus
By: are-peace
A cell is the basic unit of life. In majority cells, there are certain components known as the organelles. One of the organelles is the nucleus. The nucleus acts as the control center of the cell because nucleus functions to control all the movements of...
Are endangered plants worthy of protection?
By: James Johnson
Rare plants and animals are both protected under the Endangered Species Act in both the United States and internationally by the United Nations. There are actually three categories for classifying orchids in Conference it International Trade in Endangered Species, Class 1 is extremely protected and...
Basic cytoskeleton proteins
By: Barnabas Stinson
Your body needs structure. Without it, we're just a puddle of skin and blood. For the human body, this structure is provided in part by the skeleton. But our cells, the fundamental units from which we're built, also require structure. Though we often think of...
The life cycle of the Malaria parasite
By: Triana Rathads
Malaria is caused by a protozoan parasite of the genus Plasmodium, there are three types of malaria: tertian malaria caused by P. vivax and P. ovale, quartan malaria caused by P. malariae, and tropical malaria caused by P. falciparum. The life cycles of all these...
By: Sally Morem
It's important in any discussion of biological evolution to distinguish between microevolution and macroevolution. Creationists readily concede the existence of microevolution - changes in characteristics within a species over time. They realized that it would be next to impossible to explain how farmers were able...
Uses for shark cartilage
By: Eileen Hughes
Shark Cartilage is taken from the hammerhead, and spiny dogfish sharks, and cow (bovine) and other animals then made into a powder. The protein of collagen is found in the connective tissues of skin, bone and cartilage.Shark cartilage first became popular as a nutritional...
By: G E Barr
The Basics of Quorum SensingOff, and very close to the shallow shore of Hawaii there lives a marine animal known as the Hawaiian Bobtail Squid. This small squid does its hunting at night and on its back are detectors which cue the squid's body to...

 

1 158 159 160 161 162 371