BSC 1005 PKG-W/MOD. MAST. ACCESS >CI<
BSC 1005 PKG-W/MOD. MAST. ACCESS >CI<
17th Edition
ISBN: 9781269683364
Author: Reece
Publisher: Pearson Custom Publishing
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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 biomolecule undergoes consistent mutation. This causes an antigenic drift that changes the shape of its antigen. If the two viruses of different antigen type combine, they cause an antigenic shift that alters the antigens of the daughter cells produce.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.)   Data Table 1Stage    Totals    PercentInterphase        Mitosis:        Prophase        Metaphase        Anaphase        Telophase        Cytokinesis        Totals    100    100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…
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