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Q: The human immune system cannot effectively suppress the HIV virus on its own. What key feature of HIV makes it so hard to beat?
A: The HIV virus has an extremely high rate of mutation. see here:
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User: The human immune system cannot effectively suppress the HIV virus on its own. What key feature of HIV makes it so hard to beat?

Weegy: The HIV virus has an extremely high rate of mutation. see here:
Expert answered|BlueUnicorn|Points 18|

User: Imagine that four people are infected with HIV from a common source (an infected blood sample). Initially, the patients' HIV populations are genetically identical. By the time they develop full-blown AIDS, how would the viral populations of the four patients compare?

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Asked 2/26/2013 7:47:52 PM
Updated 3/25/2014 3:26:00 PM
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What makes HIV so hard to treat is that the HIV virus infects CD4 lymphocytes, white blood cells which are among the main weapons in the immune response. HIV actually infects and neutralizes the very cells that are supposed to eliminate viral infections.

Added 3/25/2014 3:26:00 PM
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Which organ gets first access to nutrients absorbed in the small intestine? A. liver B. heart C. lungs D. pancreas
Weegy: Liver gets first access to nutrients absorbed in the small intestine. (More)
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Updated 7/21/2014 11:59:46 AM
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Herbivorous animals can obtain more nutrients from plants than can carnivorous animals because _____. A. they produce enzymes that can break down cellulose B. they have cellulose-digesting microbes in their cecums C. their intestines are longer, providing them with more surface for absorption D. their teeth are better designed for mechanical digestion
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Updated 3/25/2014 3:19:31 PM
1 Answer/Comment
Answer: B, C, and D. Herbivorous animals can obtain more nutrients from plants than can carnivorous animals because: they have cellulose-digesting microbes in their cecums; their intestines are longer, providing them with more surface for absorption; and their teeth are better designed for mechanical digestion.
Added 3/25/2014 3:19:31 PM
This answer has been confirmed as correct and helpful.
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