Which Is an Example of Provitamin A

question 38

Multiple Choice

Which is an example of provitamin A?

• A) retinoic acid
• B) retinol
• C) retinal
• D) tocopherol
• E) beta-carotene

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Definitions:

Stage Theory

A theory of development organized into distinct stages, each characterized by specific abilities, experiences, or tasks that must be mastered.

Piaget Underestimated

A critique suggesting that the cognitive abilities of children can develop earlier than Jean Piaget, a Swiss psychologist, proposed in his theories.

Senior Citizen

A senior citizen is an older adult, typically someone who has reached the age of retirement, which varies by country but is often around 60-65 years of age.