Describe the typical composition of a virus, Biology

Assignment Help:

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.

 


Related Discussions:- Describe the typical composition of a virus

Define decreased oxygen availability at high altitude, Define Decreased oxy...

Define Decreased oxygen availability at high altitude (Hypobaric hypoxia)? The governing biophysical factor at high altitude is decrease in barometric pressure with increase in

Homologous recombination, Homologous Recombination is the exchange of the ...

Homologous Recombination is the exchange of the sequence between two associated but different DNA (or RNA) molecules, with the result that a new "chimeric" molecule is obtained. S

Determine the viscosity of solutions, Viscosity Viscosity, as you may ...

Viscosity Viscosity, as you may already know, is associated with fluid flow.  It is the internal friction which tends to bring to rest portions of the fluids moving relative to

Aspirin, ASPIRIN - It is acetylsalicyclic acid (C 6 H 4 (OCOCH) 3 ...

ASPIRIN - It is acetylsalicyclic acid (C 6 H 4 (OCOCH) 3 CH 3 ). It changes in salicyclic acid in body. It is analgesic, antipyratic (fever reducing), anti inflamma

Enzyme, name of enzyme that mostly used in industrial biotechnology?

name of enzyme that mostly used in industrial biotechnology?

Right coronary artery, Right coronary artery arises from the anterior aorti...

Right coronary artery arises from the anterior aortic sinus. It runs down along the anterior part of the coronary sulcus, reaches the lower border of heart turns round the lower bo

How hermaphrodite species present cross-fecundation, Is it possible for a h...

Is it possible for a hermaphrodite species to present cross-fecundation? There are hermaphrodite species of animals and plants that present cross-fecundation mainly because of

Feed adulterants, Feed adulterants Adulteration of raw material is cre...

Feed adulterants Adulteration of raw material is creating a serious problem for manufacturing the good quality feed as the trading of raw ingredients is totally in unorganized

Why his muscles so sore and feeling weak, Yesterday, when Eric returned hom...

Yesterday, when Eric returned home from jogging, he was breathing heavily, sweating profusely, and complained that his legs ached and felt weak. He took a drink of Gatorade and too

Homework, Determine sequence weights for the sequences ACTA, ACTT, CGTT, an...

Determine sequence weights for the sequences ACTA, ACTT, CGTT, and AGAT by using Thompson, Higgins, and Gibson method

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd