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
Phylogenetic considerations

Clostridium perfringens infections Cl. perfringens is a rod-shaped, spore-bearing anaerobic organism. It is capsulated and non-motile. A characteristic feature of the organism

Q. Wound Botulism? It is the rarest form of botulism. The illness results when C. botulinum by itself or with other microorganisms infects a wound and produces toxins, which re

State the Transmission of Visual Sensation This process takes place in the visual pathway from the retina to the visual cortex. 'The impulse originating in the retina travels a

Q. What do you mean by pollen? Pollen grains are the male gametophytes of the phanerogamic (flowering) plants So within the pollen grains the male gametes of these plants are f


Anemophily - Cross-pollination It is also commonly referred to as wind pollination, i.e., the pollen grains are carried through wind currents. To ensure good pollination t

Bioclimatology: This is the study of effect of climate on distribution of organisms. Bioclimatology is the inter-disciplinary field of science which studies the interactions betwe


what effects do human technologies have on our water systems?