Which of the Following Correctly Describes Exons and Introns

question 101

Multiple Choice

Which of the following correctly describes exons and introns?

• A) Both exons and introns code for proteins, but they code for different types of proteins.
• B) Exons are coding sections of DNA and introns are noncoding sections.
• C) Exons are noncoding sections of DNA and introns are coding sections.
• D) In order to code for a protein both an exon and an intron are necessary.

---

Definitions:

Observational Theory

A framework suggesting that learning occurs through observing the behaviors of others and the outcomes of those behaviors.

Sensorimotor Stage

The first of the four stages in Jean Piaget's theory of cognitive development, occurring from birth to about 2 years of age, where infants learn about the world through their senses and motor activities.

Formal Operational

The stage of cognitive development in Piaget's theory where individuals learn to think abstractly and reason about hypothetical situations.

Concrete Operational

Describes a stage in Piaget's theory of cognitive development during which children develop logical but not yet abstract thinking.