Describe the typical composition of a virus, Biology

The human immune system has developed diverse, coordinated methods of resisting and destroying viruses.

a.  Describe the typical composition of a virus. Why are viruses not classified as living organisms?

b.  Why are antibiotics ineffective against viruses? What characteristics do antibiotics specifically target, and why is this advantageous to humans?

c.  HIV has characteristics, such as a high rate of mutation, that enable it to evade the human adaptive immune response. Describe why it mutates faster than human nuclear DNA.

Lewis states, "First, HIV enters macrophages, impairing this first line of defense". This is not quite true. To get this far, HIV managed to get through the "real" first line of defense. What is this first line? Give two examples of its methods.

 

Posted Date: 4/2/2013 3:15:57 AM | Location : United States







Related Discussions:- Describe the typical composition of a virus, Assignment Help, Ask Question on Describe the typical composition of a virus, Get Answer, Expert's Help, Describe the typical composition of a virus Discussions

Write discussion on Describe the typical composition of a virus
Your posts are moderated
Related Questions
The Alanine  cycle Follow the alanine link in the alanine cycle. The process goes as under: 1)  Pyruvate formed from glycolysis in  the muscle  is converted to  alanine by t

Q. What are the main human degenerative diseases? The major human degenerative diseases are divided into three groups, neoplastic diseases and degenerative diseases of the nerv

Explain biological aspects of nutrition Traditionally nutritionists have focused largely (or almost fully) on . However, we have realized over the years, that physiological bio

he recombinant plasmid extracted from the surviving colonies contains a gene called SUC2 that codes for convertase, an enzyme needed to metabolize sucrose. Mutations in the SNF gen

Yersinia enterocolitica The genus Yersinia contains of 3 human pathogenic species, Y. enterocolitica, Y. pseudotuberculosis and Y. pestis, among which, Y. enterocolitica finds

Timing and number of doses It has been common practice to give antibiotics at the time of anesthesia induction, which results in adequate serum and tissue levels of the drugs;

What are the four characteristics that all chordates have at some stage of their lifecycle ?

Explain about the Magnesium - macro minerals? Magnesium (Mg) ranks fourth in overall abundance in body among the cations. It is also the least abundant among macro minerals, th

Define interaction of vitamin k with Calcium? Since vitamin D functions have an impact on calcium metabolism, an inter-relationship exists between vitamin IS-dependent proteins

Define Requirements of Fluid in Postoperative Nutritional Care Extensive fluid losses may occur through vomiting, haemorrhage, diesis, excudate, fever and sweating after a surg