WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
5th Edition
ISBN: 9781319272531
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 15, Problem 10MC
Summary Introduction

Introduction:

The word AIDS stands for Acquired Immunodeficiency Syndrome. It is a disease caused by Human Immunodeficiency Virus (HIV), a member of a group of viruses called retrovirus, which have an envelope enclosing the RNA genome.

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Which of the following virus does not use CXCR4 as a receptor? a. HIV-2 b. SIV c. poliovirus d. HIV-1
Identify the statement that does not provide accurate evidence as to why HIV is so lethal.   a. During the course of infection, HIV increases immune activation by altering intestinal physiology to let more microbes into the blood supply.   b. Immune evasion increases in many infections due to HIV virions evolving new and unrecognizable epitopes (antigens).   c. In many individuals the virus population evolves to use different receptors to gain access to a greater diversity of host immune cells.   d. HIV causes enhanced replication and proliferation of T cells, which allows the immune system to work better at defending against pathogens.
HIV virus is classified as double¬ stranded RNA (ds-RNA) virus and belongs to a group of viruses called reoviridae? a. FALSE. b. TRUE.
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