During Splicing of Pre-MRNA

question 39

Multiple Choice

During splicing of pre-mRNA:

• A) the energy requirement for phosphodiester formation is supplied by the spliceosome.
• B) each new phosphodiester bond requires hydrolysis of one molecule of ATP.
• C) each new phosphodiester bond requires hydrolysis of one molecule of GTP.
• D) phosphodiester bonds are hydrolyzed and new bonds are formed subsequently by ligation.
• E) the number of phosphodiester bonds remains constant.

---

Definitions:

Nineteenth Century

The period from 1801 to 1900, marked by significant industrial, cultural, and political changes worldwide.

Pain Reliever

Medication used to alleviate pain, including over-the-counter drugs like acetaminophen and NSAIDs, as well as prescription opioids.

Delirium Tremens

A severe form of alcohol withdrawal featuring sudden and severe mental or nervous system changes.

Withdrawal Symptoms

Physical or psychological symptoms that occur after reducing or stopping the intake of a substance that has been used regularly.