Figure 22-1 the Structure of a Lymph Node

question 142

Multiple Choice

Figure 22-1 The Structure of a Lymph Node

Use Figure 22-1 to answer the following questions:
-Identify the structure labeled "1."

• A) efferent lymphatic vessel
• B) venule
• C) arteriole
• D) afferent lymphatic vessel
• E) lymphatic nodule

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Definitions:

Photorespiration

A process in plant metabolism where the enzyme RuBisCO oxygenates RuBP, wasting energy and reducing photosynthetic efficiency under certain conditions.

C3

A pathway in photosynthesis where the fixation of carbon dioxide produces a three-carbon compound as the first stable product.

C4

A photosynthetic pathway that efficiently fixes carbon dioxide in plants exposed to high light intensity and temperature, found in many grasses and crops.

CAM

Crassulacean Acid Metabolism, a photosynthetic adaptation in some plants allowing them to conserve water by fixing CO2 at night.