If One Homogenizes Liver Cells, Separates the Membranes from the Cytoplasm

question 39

Multiple Choice

If one homogenizes liver cells, separates the membranes from the cytoplasm, and then adds epinephrine to only the cytoplasmic portion,

• A)cAMP will be produced.
• B)adenylyl cyclase will be activated.
• C)G- proteins will be activated.
• D)calcium ions will be released.
• E)none of the above

---

Definitions:

Machine Hour

This term typically refers to the amount of time a machine is operating or available for production in a manufacturing process.

Cost-volume-profit Analysis

A managerial accounting method used to estimate the impact of different levels of cost and volume on operating profit.

Mixed Costs

Expenses that have both fixed and variable components, changing in total with activity level but not directly proportional.

Variable Costs

Variable costs are expenses that change in proportion to the activity or volume of a business, such as raw materials and labor costs that vary with production levels.