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Which of the three types of viruses shown in the figure would you expect to include a capsid(s)? 70-90 nm (diameter) 80-200 nm (diameter) 80 x 225 nm I. I. II. O A I and II only OB II only Oc.I only O D.I, II, and III

Which of the three types of viruses shown in the figure would you expect to include a capsid(s)? 70-90 nm (diameter) 80-200 nm (diameter) 80 x 225 nm I. I. II. O A I and II only OB II only Oc.I only O D.I, II, and III

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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**Virus Structure and Capsid Identification** **Question:** Which of the three types of viruses shown in the figure would you expect to include a capsid(s)? **Diagram Explanation:** - **Virus I:** - Structure: Appears as a 3D geometric shape with a surface made of numerous spherical subunits. - Size: 70–90 nm in diameter. - Features: Central regions display a coiled structure, potentially indicating genetic material enclosed by the capsid. - **Virus II:** - Structure: A spherical shape surrounded by spike-like projections. - Size: 80–200 nm in diameter. - Features: Contains tubes or spiral structures possibly representing a nucleic core. - **Virus III:** - Structure: Comprised of an icosahedral head and a tail apparatus. - Size: 80 x 225 nm. - Features: The head appears to house a coiled structure, reminiscent of genetic material preserved within a capsid. **Answer Choices:** - ☐ A I and II only - ☐ B III only - ☐ C I only - ☑ D I, II, and III **Explanation:** All three virus types are depicted with structural elements typical of capsids, which are protein shells enclosing the genetic material of the virus. This suggests that each type includes capsid(s).
Transcribed Image Text:**Virus Structure and Capsid Identification** **Question:** Which of the three types of viruses shown in the figure would you expect to include a capsid(s)? **Diagram Explanation:** - **Virus I:** - Structure: Appears as a 3D geometric shape with a surface made of numerous spherical subunits. - Size: 70–90 nm in diameter. - Features: Central regions display a coiled structure, potentially indicating genetic material enclosed by the capsid. - **Virus II:** - Structure: A spherical shape surrounded by spike-like projections. - Size: 80–200 nm in diameter. - Features: Contains tubes or spiral structures possibly representing a nucleic core. - **Virus III:** - Structure: Comprised of an icosahedral head and a tail apparatus. - Size: 80 x 225 nm. - Features: The head appears to house a coiled structure, reminiscent of genetic material preserved within a capsid. **Answer Choices:** - ☐ A I and II only - ☐ B III only - ☐ C I only - ☑ D I, II, and III **Explanation:** All three virus types are depicted with structural elements typical of capsids, which are protein shells enclosing the genetic material of the virus. This suggests that each type includes capsid(s).
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