Which Statement About the Introns Within One Gene Is Correct

question 19

Multiple Choice

Which statement about the introns within one gene is correct?

• A)These small pieces of DNA form microRNAs that regulate gene expression.
• B)They are part of the desert DNA composing the noncoding regions.
• C)When expressed, they induce posttranslational modifications.
• D)The introns of one gene may be the exons of another gene.

---

Definitions:

Axon Terminal

Bulbous end of the axon where signals move from the axon of one neuron to the dendrites or cell body of another.

Dendrites

The branched extensions of a neuron that receive signals from other neurons or sensory receptors and convey them toward the cell body.

Synapse

The junction between two neurons or between a neuron and a muscle cell, where electrical or chemical signals are transmitted from one cell to another.

Neurotransmitters

Chemical substances that transmit signals across a synapse from one neuron to another neuron, muscle cell, or gland cell.