Which of the Following Have Thick Secondary Cell Walls Strengthened

question 53

Multiple Choice

Which of the following have thick secondary cell walls strengthened with lignin,and support plants like steel beams in a building?

• A)parenchyma cells
• B)collenchyma cells
• C)sclerenchyma cells
• D)water-conducting cells

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Definitions:

Peristalsis

A sequence of muscular contractions resembling waves that propel food along the digestive system.

Segmentation

The division of body regions into segments, a common process in the development and organization of organisms.

Pyloric Sphincter

A muscular valve that opens and closes to regulate the passage of partially digested food from the stomach to the duodenum.

Chyme

A semi-fluid mass of partly digested food that is passed from the stomach to the duodenum.