Campbell Biology Concepts & Connections Second Custom Edition For Tacoma Community College
8th Edition
ISBN: 9781269959810
Author: Reece
Publisher: PEARSON C
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Chapter 24, Problem 10TYK
Summary Introduction
To determine: The reason for the need of taking the flu shot year after year instead of only once early in life.
Introduction:
Flu is caused by the influenza virus. The influenza virus is an RNA virus that has RNA as its genetic material. The RNA being an unstable
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Explain how new strains of flu arise
Explain why each choice (a-d) is correct or incorrect.
A flu vaccine is needed seasonally to be effective but a polio vaccine is only needed once. The best explanation of this is
a. Flu vaccine is substantially weaker than the polio vaccine.
b. The polio virus is substantially weaker than the flu virus.
c. Exposure to flu vaccine produces no memory cells from proliferating B lymphocytes.
d. The flu has several strains that change seasonally.
Influenza vaccines must be changed yearly because the amino acid sequence of the viral proteins change gradually over time. Based on this information, which is the most logical conclusion? The influenza virusa) is enveloped. b) is non-enveloped.c) has a DNA genome. d) has an RNA genome.e) causes a persistent infection.
Chapter 24 Solutions
Campbell Biology Concepts & Connections Second Custom Edition For Tacoma Community College
Ch. 24 - Complete this concept map to summarize the key...Ch. 24 - Foreign molecules that elicit an immune response...Ch. 24 - Which of the following is not part of the...Ch. 24 - Which of the following best describes the...Ch. 24 - Prob. 5TYKCh. 24 - Prob. 6TYKCh. 24 - Prob. 7TYKCh. 24 - Prob. 8TYKCh. 24 - Prob. 9TYKCh. 24 - Prob. 10TYK
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