The Structure That Controls the Movement of Materials into and Out

question 1

Multiple Choice

The structure that controls the movement of materials into and out of cells is the

• A)nucleus.
• B)cytoplasm.
• C)plasma membrane.
• D)endoplasmic reticulum.

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Definitions:

Lacunae

Small cavities within bone or cartilage tissue that house cells.

Compact Bone

The dense, hard outer layer of bone that gives it strength and structure.

Inner Layer

Refers to the innermost layer or lining of an organ or structure, such as the mucosa in the stomach or intestines.

Osteoblasts

Cells that specialize in the formation of new bone tissue.