How Is It That the Cells in Different Body Tissues

question 14

Multiple Choice

How is it that the cells in different body tissues are able to perform different functions?

• A)The cells exhibit different patterns of gene expression.
• B)Different chromosomes have been inactivated in different cells.
• C)The cells contain different genes.
• D)The mutations that have accumulated in the cells of the different tissues control functions.

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Definitions:

Gastrectomy

A surgical procedure for the partial or total removal of the stomach.

Glossectomy

A surgical procedure involving partial or total removal of the tongue, usually to treat cancer.

Duodenum

The first section of the small intestine, immediately beyond the stomach, which plays a critical role in digestion by receiving bile and pancreatic juices.

Jejunum

The middle section of the small intestine, between the duodenum and ileum, which is responsible for the absorption of nutrients.