Search found 4 matches

by Alhabib
Tue May 08, 2012 11:13 am
Forum: Human Biology
Topic: Skin infections
Replies: 0
Views: 1561

Skin infections

Many bacteria colonize human skin; these organisms are called the normal microbiata. Based on your knowledge of human skin, why do you think that these bacteria do NOT usually cause skin infections, yet can quickly cause infection when the skin surface is broken, as in a wound?
by Alhabib
Tue May 08, 2012 11:12 am
Forum: Human Biology
Topic: Plant and animal cells.
Replies: 1
Views: 3061

Plant and animal cells.

One of the distinguishing features of animals is that their cells do not have the thick outer lining known as a cell wall. Plant cells have a cell wall, as do fungi cells. Why would such a feature be advantageous for plants, but disadvantageous for animals?
by Alhabib
Tue May 08, 2012 11:10 am
Forum: Human Biology
Topic: Life without Viruse Fungi and animals
Replies: 2
Views: 2896

Life without Viruse Fungi and animals

What would life on earth be like if there were no: viruses, fungi and animals ?
by Alhabib
Tue May 08, 2012 11:08 am
Forum: Human Biology
Topic: Vaginal infection
Replies: 1
Views: 3628

Vaginal infection

Vaginal yeast infections are caused by the fungus candida albicians, which is one of a community of microorganisms that are always present in the vagina in low concentrations. One of the factors that can bring about a yeast infection is the initiation of the use of certain antibiotics. Why would the...