When Organelles Such as Mitochondria and Vesicles Bind to Microtubules

question 7

Multiple Choice

When organelles such as mitochondria and vesicles bind to microtubules to travel toward axon terminals, they move at a rate

• A) substantially slower than the background movement of cytoplasm.
• B) about the same as the background movement of cytoplasm.
• C) substantially faster than the background movement of cytoplasm.
• D) substantially slower than transport to the cell body.
• E) substantially faster than transport to the cell body.

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Definitions:

Variable Expenses

Costs that vary directly with the level of production or sales volume, such as raw materials and commission fees.

Fixed Cost

Costs that do not change with the level of output or activity in the short term, such as rent, insurance, and salaries of permanent staff.

Product

Any good, service, or idea that can be offered to a market to satisfy a want or need.

Contribution Approach

An income statement format that organizes costs by their behavior. Costs are separated into variable and fixed categories rather than being separated into product and period costs for external reporting purposes.