The Second Substage of Preoperational Thought,occurring Between Approximately Four and Seven

question 12

Multiple Choice

The second substage of preoperational thought,occurring between approximately four and seven years of age,is characterized by the use of:

• A)reversible mental actions.
• B)egocentric views.
• C)primitive reasoning.
• D)symbolic thought.

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Definitions:

Oxidative Enzymes

Enzymes that catalyze the transfer of electrons from one molecule to another, playing a critical role in cellular respiration and detoxification.

Peroxisome

Membrane-bounded body similar to a lysosome in appearance but often smaller and irregular in shape; contains enzymes that either decompose or synthesize hydrogen peroxide.

Rough ER

A part of the endoplasmic reticulum with ribosomes attached to its surface, involved in protein synthesis.

Lysosomes

Organelles in cells that contain enzymes for digesting cellular waste material and foreign substances.