Which of the Following Statements Are Correct

question 26

Multiple Choice

Which of the following statements are correct?

• A) Changes in gene expression based on environmental conditions are not considered normal while developmental changes are
• B) Environmental epigenetic changes can vary due to the exposure of the organism to different environmental conditions, while those programmed during development are the result of stimuli generated by the organism itself
• C) Environmental epigenetic gene regulation only occurs in reptiles and insects, while developmental epigenetic regulation occurs in all animals
• D) Environmental epigenetic gene regulation is typically reversible while developmental epigenetic gene regulation is typically not reversible.

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Definitions:

Gastric Secretion

The process of producing and releasing fluids, including hydrochloric acid and digestive enzymes, by the stomach's lining.

Muscularis

A layer of muscle in the walls of hollow organs, such as the gastrointestinal tract, responsible for movement of the organ's contents.

Rugae

Folds or ridges found on internal organ surfaces to increase surface area for secretion and absorption.

Gastric Glands

Glands located in the lining of the stomach that produce gastric juice, including hydrochloric acid and digestive enzymes.