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Human immunodeficiency virus (HIV), the causative agent of acquired immune deficiency syndrome (AIDS) infects T-helper cells that have the CD4 receptor on their surface: gp120 CD4 receptor CXCR4 coreceptor RNA- -Reverse transcriptase erzyme Core with protein coat Capsomeres of protein cont Envelope Toel DNA (b) HIV infecting a T coll with CD4 receptors. and CXCRA coroceptors which are distributod (a) Structure of HIV over the surface of the cell Copyright 2001 Benjamin Cummings an imprint ot Addson Wesley Longman, Inc. A As shown in the above diagram, HIV attaches to a susceptible cell by a binding interaction between the gp120 protein on the virus protein and the CD4 and CXCR4 receptors on the surface of the T-helper cell. What will be the next event in the virus life cycle? B. One mechanism for transmission of HIV is direct contact during sexual activity. What is the other common mechanism of transmission?

Human immunodeficiency virus (HIV), the causative agent of acquired immune deficiency syndrome (AIDS) infects T-helper cells that have the CD4 receptor on their surface: gp120 CD4 receptor CXCR4 coreceptor RNA- -Reverse transcriptase erzyme Core with protein coat Capsomeres of protein cont Envelope Toel DNA (b) HIV infecting a T coll with CD4 receptors. and CXCRA coroceptors which are distributod (a) Structure of HIV over the surface of the cell Copyright 2001 Benjamin Cummings an imprint ot Addson Wesley Longman, Inc. A As shown in the above diagram, HIV attaches to a susceptible cell by a binding interaction between the gp120 protein on the virus protein and the CD4 and CXCR4 receptors on the surface of the T-helper cell. What will be the next event in the virus life cycle? B. One mechanism for transmission of HIV is direct contact during sexual activity. What is the other common mechanism of transmission?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Human immunodeficiency virus (HIV), the causative agent of acquired immune deficiency syndrome (AIDS) infects T-helper cells that have the CD4 receptor on their surface: gp120 CD4 receptor -CXCR4 coreceptor RNA- Revorse transcriptase enzyme Core with - protein coat Capsomeres of protein coat Envelope T cll DNA (a) Structure of HIV (b) HIV infecting a T cell with CD4 receptors, and CXCR4 coreceptors which are distributed over the surface of the cell Copyright e 2001 Benjamin Cummings, an imprint of Addison Wesloy Longman, Inc. A. As shown in the above diagram, HIV attaches to a susceptible cell by a binding interaction between the gp120 protein on the virus protein and the CD4 and CXCR4 receptors on the surface of the T-helper cell. What will be the next event in the virus life cycle? B. One mechanism for transmission of HIV is direct contact during sexual activity. What is the other common mechanism of transmission?
Transcribed Image Text:Human immunodeficiency virus (HIV), the causative agent of acquired immune deficiency syndrome (AIDS) infects T-helper cells that have the CD4 receptor on their surface: gp120 CD4 receptor -CXCR4 coreceptor RNA- Revorse transcriptase enzyme Core with - protein coat Capsomeres of protein coat Envelope T cll DNA (a) Structure of HIV (b) HIV infecting a T cell with CD4 receptors, and CXCR4 coreceptors which are distributed over the surface of the cell Copyright e 2001 Benjamin Cummings, an imprint of Addison Wesloy Longman, Inc. A. As shown in the above diagram, HIV attaches to a susceptible cell by a binding interaction between the gp120 protein on the virus protein and the CD4 and CXCR4 receptors on the surface of the T-helper cell. What will be the next event in the virus life cycle? B. One mechanism for transmission of HIV is direct contact during sexual activity. What is the other common mechanism of transmission?
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