The Tangling of DNA Strands During Replication Is Prevented by _________

question 32

Multiple Choice

The tangling of DNA strands during replication is prevented by _________.

• A) Topoisomerases
• B) Helicases
• C) Ligases
• D) Primases
• E) Unwindases

---

Definitions:

Contribution Margin

The difference between sales revenue and variable costs, representing the portion of sales revenue that contributes to covering fixed costs and generating profit.

Sales Volume

The quantity of products or services sold within a specific period, critical for revenue and profitability analysis.

Mixed Cost

An expense that contains both a fixed cost component and a variable cost component, changing in total with the level of activity but not proportionately.

High-low Method

An approach to estimate fixed and variable costs by using the highest and lowest levels of activity.