During the Posttranscriptional Processing of Pre-MRNA, a 5' Cap Is

question 63

Multiple Choice

During the posttranscriptional processing of pre-mRNA, a 5' cap is added to an mRNA in step-by-step manner. Which of the following reasons prevents the 5'capping process, involving methylation, from occurring on a DNA strand?

• A) lack of an OH group on the 2' carbon of the deoxyribose
• B) lack of an OH group on the 3' carbon of the deoxyribose
• C) lack of a uracil nitrogenous base on the DNA strand
• D) lack of GTP hydrolysis associated with DNA transcription
• E) lack of a H on the 4' carbon of the deoxyribose

---

Definitions:

IFRS

International Financial Reporting Standards, a set of global accounting standards developed by the International Accounting Standards Board (IASB) for financial reporting.

Cash Interest

Interest payments made in cash on a debt obligation over a specific period.

Cash Flow From Operations

The portion of cash flow that results directly from a company's regular business operations, excluding financing or investing activities.

Depreciation

The systematic reduction in the recorded cost of a fixed asset to allocate its cost over its useful life, reflecting wear and tear, decay, or obsolescence.