Why Is It Difficult to Know the Exact Number of Homeless

question 14

Multiple Choice

Why is it difficult to know the exact number of homeless persons? (Select all that apply.)

• A) Homeless people refuse to provide demographic information.
• B) Many homeless people refuse to be interviewed.
• C) It is difficult to generalize from one location to another.
• D) Some persons experience short intervals of homelessness.
• E) Homeless individuals are most likely hiding within the community.

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Definitions:

Cilium

One of many short, hairlike structures that project from the surface of some eukaryotic cells and are used for locomotion or movement of materials across the cell surface.

Cytoskeleton

The dynamic internal network of protein fibers that includes microfilaments, intermediate filaments, and microtubules.

Microtubules

Cylindrical structures found in cells, made of tubulin, that play roles in cell shape, organization, and movement.

Middle Lamella

The layer composed of pectin polysaccharides that serves to cement together the primary cell walls of adjacent plant cells.