As a Molecule Moves Through the Plasma Membrane It Passes

question 41

Multiple Choice

As a molecule moves through the plasma membrane it passes through

• A) a hydrophobic layer of phospholipid heads, then a hydrophilic layer of phospholipid tails, and then another hydrophobic layer of phospholipid heads.
• B) a hydrophobic layer of phospholipid tails, then a hydrophilic layer of phospholipid heads, and then another hydrophobic layer of phospholipid tails.
• C) a hydrophilic layer of phospholipid heads, then a hydrophobic layer of phospholipid tails.
• D) a hydrophilic layer of phospholipid heads, then a hydrophobic layer of phospholipid tails, and then another hydrophilic layer of phospholipid heads.
• E) a hydrophobic layer of phospholipid tails, and then a hydrophilic layer of phospholipid heads.

---

Definitions:

Variable Overhead

Overhead costs that fluctuate with the level of production activity, such as utilities or indirect materials.

Direct Materials

Raw materials that are directly attributable and allocable to a finished product in the manufacturing process.

Direct Labor-Hours

The total hours worked directly on the manufacturing of goods.

Variable Overhead

Costs that fluctuate with changes in production volume, such as utilities and materials, affecting the cost to produce goods or services.