Introns

question 15

Multiple Choice

Introns

• A) are sometimes left in the mRNA sequence for alternative splicing.
• B) are removed from mRNA in the cytoplasm.
• C) are removed by a complex called the spliceosome.
• D) are considered to simply be junk DNA.
• E) are only found in eukaryotes.

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Definitions:

Nonneoplastic Dysplasia

refers to abnormal growth or development of cells within tissues and organs that is not cancerous.

Neoplastic

Pertaining to, or characterized by, neoplasms (tumors), which are abnormal growths of tissue that may be benign or malignant.

Vaginal Intraepithelial Neoplasia

A pre-cancerous condition involving abnormal cell growth in the lining of the vagina.