Making sense of the genetics of RNA viruses
By: Tami Port MS
Viruses are primarily classified by their genetics, the type of nucleic acid that they possess. And nucleic acids show a great deal of variability among viruses. Not only can a viral genome be made of either DNA or RNA, it can be single-stranded DNA, double-stranded...
By: Janet Grischy
Incomplete metamorphosis, hemimetabolism, is one of the forms that an insect's life cycle can take. In incomplete metamorphosis, a newly hatched insect looks much like a smaller version of an adult of its species. It is called a nymph. A nymph never goes through a...
By: Wendy R.
Penguins are aquatic birds which do not fly. They generally live in the Southern hemisphere, in particular in Antarctica. All penguins are characterized by black and white feathers, or plumage. The Emperor penguin is the largest of penguins and can be as tall as...
By: Janet Grischy
Complete metamorphosis is one of the three ways that insects reach the adult stage. Most insects, about 87%, undergo it. Butterflies and moths are the best known example of complete metamorphosis. Primitive insects hatch as miniature adults, and change only by growing larger. They molt...
By: Alison Bowler
Bacteria are divided into two groups the Eubacteria and the Archeobacteria. All medically important bacteria are Eubacteria. The first step in classifying members of the Eubacteria is based on their shape cocci are round, bacilli are rod shaped, Vibrios look like commas and spirilli are...
The habitat of sun bears
By: Annalyn Andriyenko
Sun bears are cute smallish bears that live around tropical rainforests of Southeast Asia. They're only 4 feet in length and weigh 60 to 130 lbs. They have a very long and slim tongue that reaches up to 8 inches. They use this tool to...
Human Evolution
By: Flairtulip
Evolution, defined as unfolding, change, progression, metamorphosis <www.dictionary.com>, is about what we become in the future as time unfolds. We can only move forward, for the good or the bad only time will tell, but we definitely will not go back...
By: Alison Bowler
There are millions upon millions of bacteria in our world. The microbiologist searching for in any particular bacterium uses a number of techniques to distinguish one species from another. The starting point for most bacteriologists is the gram stain. This simple differential staining technique involves...
By: Ronnie Reese
Little but BIG! Today's animal belongs to the largest class of animals in the world. That means there are more of these than any other animal. Just imagine you are one of these creatures for a minute. If you are like most of these animals...
Overview: Food science & technology
By: Elizabeth M Young
Recent developments in food science range from controversial genetic modifications of plant structure to incredible food preparations to new technologies and tactics for educating the public about food. Education and information are of great important to the average consumer because substantial information can mean the...

 

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