What are the differences structurally between a plant and animal cell?
By: Darian Peters
The cell is the fundamental structural unit in most organisms. But there are a variety of different possibilities for the particular features that are present in the cells (or perhaps single cell) of an organism. Simple prokaryotic organisms, for example, have no cell nucleus, with...
The world of praying mantids (Insect Order Mantodea)
By: M E Skeel
Praying mantids used to be lumped with grasshoppers in the order Orthoptera. They were taken out of there and became a suborder in the Dictyoptera along with the stick insects and the cockroaches, but most experts prefer to put them in their own Order, Mantodea...
By: G E Barr
THE WASTEBASKET OF THE SEATiger sharks are omnivorous creatures which can grow to be 14 feet long and weigh as much as 1900 pounds. They literally will eat anything, including tires and metal objects. They will also eat human beings and are infamous for attacking...
Basic cellular anatomy and physiology
By: Angela Johnson - 491122
Studying the cell, the most basic unit of all life, was made possible was made possible by the invention and perfection of the microscope by Antoni van Leeuwenhoek and Robert Hooke in the early 1600s. After first observing the checkerboard-like structure of cork under a...
By: Jonte Rhodes
Earwigs (Dermaptera) are one of the more common insect groups that can be found in most locations globally. Most species range in size from between 10mm and 80mm in the case of one species in particular. There are known to be 1800 species, which are...
What is bioinformatics?
By: Joshua Horn - 257112
Bioinformatics is the use of current techniques in information technology and computer science to process and analyze biological data. It's a part of the larger field of computational biology and is most noted for its use in the analysis of molecular biology. A good example...
By: G E Barr
COMPARITIVE ANALYSIS OF PLANT AND ANIMAL CELLSPlants are sedentary lives and require a certain rigidity to maintain a posture of security. Therefore, plant cells have Cell Walls. Cell Walls ensure strength in the root and stem of the plant. Plant cells are very porous, allowing...
What disease does the bacteria Chlamydophila psittaci cause and how?
By: Indu Sastri
Chlamydophila psitacci is a bacterium that causes Psittacosis , commonly known as parrot fever, ornithosis or avian chlamydiosis It is aa bacterial infection that causes severe pneumonia in humans. The bacteria is transmitted from birds to humans by inhalation, contact or ingestion from pet birds or...
Should Men be Allowed to be Pregnant and Conceive Babies
By: Sonja Jelaca
First of all I have to admit I was a little surprised by the number of 'No' responses compared with the 'Yes' responses. Silly me for thinking the world was getting more liberal and open-minded as time goes by. What is the real reason behind...
What disease does the bacteria Borrelia burgdorferi cause and how?
By: B. Stone
Borrelia Burgdorferi was discovered in 1982 by the scientist Willy Burgdorfer. Burgdorfer isolated the spirochetes that had caused the outbreak of rheumatoid arthritis in children in 1975 in the rural community of Lyme, Connecticut. He had found the bacteria that causes Lyme disease.Burgdorferi Borrelia...

 

1 147 148 149 150 151 371