To draw: The sequence of immunological events that takes place in a common type of allergic reaction, such as a hay fever. Introduction: Overreaction of the immune system toward the normally harmless substances is known as allergic reaction. The causative agent or any substance that causes allergy is called an allergen. The common allergen includes chemical, drug, food or pollen from the plant. Re-exposure of the same allergen immediately stimulates the IgE to bind to the sensitized mast cells and releases the chemical mediators, such as histamines from the mast cell granule to cause allergic reactions.

Question

1. Color the line that represents all ancestors of the Eastern white pine tree green (but only the ancestral line NOT shared with other organisms) 2. Oncle the last common ancestor of the Colorado blue spruce tree and Eastern white pine tree. 3. Put a box around the last common ancestor of the sugar maple tree and the dogwood tree. 4. Put a triangle around the last common ancestor of the red pine tree and the american holly bush. 5. Color the line that represents all ancestors of the Ponderosa pine tree red (including all shared ancestors). 6. Color the line that represents all ancestors of the American elm tree blue (including all shared ancestors). 7 Color the line that represents all ancestors of the Sabal palm tree purple (including all shared ancestors) 8. Using a yellow highlighter or colored pencil, circle the clade that includes all pine trees. 9. Using a orange highlighter or colored pencil, circle the clade that includes all gymnosperms 10. Can you tell…

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Question

Chapter 45.6, Problem 4C

Summary Introduction

To draw: The sequence of immunological events that takes place in a common type of allergic reaction, such as a hay fever.

Introduction: Overreaction of the immune system toward the normally harmless substances is known as allergic reaction. The causative agent or any substance that causes allergy is called an allergen. The common allergen includes chemical, drug, food or pollen from the plant. Re-exposure of the same allergen immediately stimulates the IgE to bind to the sensitized mast cells and releases the chemical mediators, such as histamines from the mast cell granule to cause allergic reactions.

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1. Color the line that represents all ancestors of the Eastern white pine tree green (but only the ancestral line NOT shared with other organisms) 2. Oncle the last common ancestor of the Colorado blue spruce tree and Eastern white pine tree. 3. Put a box around the last common ancestor of the sugar maple tree and the dogwood tree. 4. Put a triangle around the last common ancestor of the red pine tree and the american holly bush. 5. Color the line that represents all ancestors of the Ponderosa pine tree red (including all shared ancestors). 6. Color the line that represents all ancestors of the American elm tree blue (including all shared ancestors). 7 Color the line that represents all ancestors of the Sabal palm tree purple (including all shared ancestors) 8. Using a yellow highlighter or colored pencil, circle the clade that includes all pine trees. 9. Using a orange highlighter or colored pencil, circle the clade that includes all gymnosperms 10. Can you tell…

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