Exam 35: Stem Structure and Transport

Although the same cell types can be found in both primary and secondary phloem, ____ are usually more abundant in secondary phloem.

Compare and contrast the structure of an herbaceous eudicot stem and that of a monocot.

Functional secondary xylem that conducts water and dissolved minerals is known as:

Sucrose is translocated from source to sink .

Unlike herbaceous eudicot stems, monocot stems do not have distinct areas of cortex and pith. Instead, their ____ functions as the cortex and pith.

Vascular cambium gives rise to which of the following tissues?

Figure 35-1 In the accompanying figure, the structure labeled as 2 is:

____ join roots to leaves and may be above or underground.

Dendrochronology can be useful in determining:

Explain how dissolved sugar is transported in the phloem by means of a pressure gradient.

Before being loaded into the phloem for translocation, the carbohydrates produced during photosynthesis must be converted into which molecule?

In a(n) monocot stem, vascular bundles are arranged in a circle.

Concentric rings found in the cross section of the wood of trees are known as:

Softwood is the wood: