RNA and Proteins Combine in Cells to Form Structures Called

question 24

Multiple Choice

RNA and proteins combine in cells to form structures called ribosomes. Ribosomes contain the active site for peptide bond formation. Based on their chemical structures, do you think protein or RNA molecules actually form the active site within the ribosome?

• A) protein, because RNA cannot catalyze reactions
• B) RNA, because proteins cannot catalyze a reaction that involves another protein
• C) proteins, because only proteins can catalyze a reaction that involves another protein
• D) It could be either, because both molecules have catalytic properties.

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Definitions:

Internal Rate Of Return

A metric used in capital budgeting to estimate the profitability of potential investments, calculating the interest rate at which the net present value of all the cash flows (both positive and negative) from a project or investment equals zero.

Discount Rate

In the realm of discounted cash flow analysis, this is the interest rate used for estimating the present value of future financial inflows.

Anticipated Annual Incremental

Expected yearly increases in revenue or benefits as a result of a particular action or investment, not considering future inflation or changes in currency value.

Salvage Value

The anticipated market value of an asset after its period of utility has ended.