Which of the Following Is Not an Accurate Statement

question 58

Multiple Choice

Which of the following is not an accurate statement?

• A)Mature mRNA contains the extrons from replication.
• B)Initial transcripts can contain both tRNA and mRNA.
• C)The guanine-phosphate cap added to mRNA determines the life span of the molecule.
• D)A poly(A) tail of mRNA consists of a long chain of adenine nucleotides.

---

Definitions:

Fixed Costs

Costs that do not vary with the level of output or sales, such as rent, salaries, and insurance premiums.

Variable Costs

Costs that change in proportion to the level of production or sales volume, such as raw materials and direct labor.

Dollar Contribution Margin

The difference between total sales revenue and total variable costs, expressed in absolute currency terms.

Variable Cost

Costs that change in proportion to the level of production activity or volume, such as raw material costs and direct labor costs.