Which Molecular Tool Most Assisted in Providing a More Reliable

question 62

Multiple Choice

Which molecular tool most assisted in providing a more reliable way to verify the assertions made by Woese et al in their 1990 paper on phylogeny?

• A)Polymerase chain reaction
• B)RNA to DNA conversion using reverse transcriptase
• C)RNA sequencing
• D)DNA sequencing
• E)Protein sequencing

---

Definitions:

Fixed Costs

Expenses that do not change in total regardless of the level of production or business activity.

Break-Even Point

The juncture where the overall expenses match the overall income, leading to neither a profit nor a loss.

Fixed Costs

Fixed costs are business expenses that remain constant regardless of production volume, such as rent, salaries, and insurance premiums.

Variable Costs

Costs that change in proportion to the level of goods or services produced by a business.