The Contents of Cells Are Often Visualized with Fluorescent (Glow-In-The-Dark)stains

question 35

Multiple Choice

The contents of cells are often visualized with fluorescent (glow-in-the-dark) stains.You treat a cell with a stain that makes a certain part of the cytoskeleton glow green and another stain that makes mitochondria glow red.Under the microscope,you see a meshwork of green filaments throughout the cell.Red organelles appear to be traveling along the filaments.The green stain you used must stain

• A) microtubules.
• B) microfilaments.
• C) intermediate filaments.
• D) motor proteins.

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Definitions:

Cost of Capital

Signifies the expected rate of return that market participants demand in order to commit money to an investment, considering risk and potential gains.

IRR

Internal Rate of Return (IRR) is a financial metric used to evaluate the profitability of investments, indicating the annualized rate of return that sets the net present value of all cash flows (both positive and negative) from a particular project equal to zero.

NPV

Net Present Value; a method used to evaluate the profitability of an investment by calculating the difference between the present value of cash inflows and outflows.

Payback Period

The length of time it takes for an investment to generate enough cash flow to recover its initial cost.