Cyclins Modulate the Progression of Cells Through the Cell Cycle

question 20

Multiple Choice

Cyclins modulate the progression of cells through the cell cycle by

• A)directly activating G proteins.
• B)increasing the production of DNA polymerases.
• C)inducing synthesis of constitutively active forms of growth cell receptors.
• D)activating protein kinases that are critical regulators of cell division.
• E)degrading histones.

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Definitions:

Contribution Format

An income statement format that separates fixed and variable costs, showing the contribution margin which covers fixed costs and profits.

Absorption Costing

A bookkeeping strategy that encompasses all production expenses, including direct materials, direct labor, and variable plus fixed overhead, into the pricing of a product.

Variable Costing

An accounting method that only includes variable production costs (direct materials, direct labor, and variable manufacturing overhead) in product costs and treats fixed overhead expenses as period costs.

Variable Costing Income

An accounting method that considers only variable costs—costs that vary with production—when determining cost of goods sold and, ultimately, income.