Sucrose is composed of ____.

A) two molecules of fructose
B) two molecules of glucose
C) a molecule of fructose and a molecule of glucose
D) a molecule of fructose and a molecule of galactose
E) a molecule of glucose and a molecule of galactose

When an employer decides to challenge a union that requests recognition, the outcome is usually settled through strikes.

Bark, the outermost covering over woody stems and roots, consists of all plant tissues located outside which of the following?

A) Cork cells
B) Secondary xylem
C) Cork cambium
D) Cork parenchyma
E) Vascular cambium

Most of the water obtained by a plant enters through the

A) cambium layer.
B) palisade cells.
C) root hairs.
D) stomata.
E) bark.

The medullary cavity is

A) empty in adult bones.
B) the site where osteoblasts are found.
C) lined with endosteum.
D) filled with fibrocartilage and elastin fibers.
E) dead space in the bone.

The limnetic zone is the shallow-water area along the shore of a lake or pond.