Cell Walls of Young,undifferentiated Plant Cells Must Be Able to Grow

question 26

Multiple Choice

Cell walls of young,undifferentiated plant cells must be able to grow along with the cells of which they are a part and thus exhibit extensibility.What are they known as?

• A)primary walls
• B)secondary walls
• C)expandophiles
• D)complete walls
• E)incomplete walls

---

Definitions:

Least Common

The smallest or rarest occurrence or item in a given set or category.

Anti-D Serum

An immunoglobulin given to prevent Rh incompatibility reactions, often used in pregnancy.

Rh Antigens

Proteins present on the surface of red blood cells that determine an individual's Rh blood group, critical in blood transfusion compatibility.

Agglutinogens

Antigens on the surfaces of red blood cells that determine blood types and can cause agglutination.