DNA Replication Always Proceeds in Only One Direction Because the ________

question 36

Multiple Choice

DNA replication always proceeds in only one direction because the ________ of the incoming nucleotide is attached to the free ________ of the growing DNA strand.

• A) 5ʹ-phosphate / 3ʹ-hydroxyl
• B) 3ʹ-phosphate / 5ʹ-hydroxyl
• C) 5ʹ-deoxyribose / 3ʹ-base
• D) 3ʹ-base / 5ʹ-deoxyribose

---

Definitions:

Variable Costing

An accounting method that includes only variable production costs (direct materials, direct labor, and variable manufacturing overhead) in product cost calculations, excluding fixed overhead.

Unit Product Cost

The total cost (both fixed and variable) to produce a unit of product, often used in pricing and decision-making processes.

Absorption Costing

A product costing approach within accounting that captures the entirety of manufacturing costs—direct materials, direct labor, and overheads, whether they are variable or fixed.

Variable Costing

A costing approach that solely incorporates variable manufacturing expenses such as direct materials, direct labor, and variable manufacturing overhead into the costs per unit of product.