Which Observation Makes a Strong Case That the Study of Water

question 2

Multiple Choice

Which observation makes a strong case that the study of water and its properties is relevant to the study of structural biology?

• A) Corals are marine animals that live in close association with photosynthetic algae that supply the corals with a source of food.
• B) Some Arctic fish produce antifreeze proteins to prevent ice crystals from forming in their cells.
• C) Animals that live in caves their entire lives rely on nutrients brought into their habitats by running water or by other organisms.
• D) Ice loses mass as water molecules go from the solid state directly to the gas state.
• E) Lake ecosystems can be destroyed by chemical fertilizers carried from farmland into lakes in rain runoff.

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Definitions:

Total Cost Approach

A method of analysis that involves assessing all costs associated with a decision, including initial costs and ongoing operational costs.

Discount Rate

The interest rate used in discounting future cash flows to present value, often reflecting the cost of capital or risk level.

Present Value

The current worth of a future sum of money or stream of cash flows given a specified rate of return, used in evaluating investment opportunities.

Internal Rate of Return

A financial metric used to evaluate the profitability of an investment, representing the interest rate at which the net present value of all the cash flows (both positive and negative) from a project or investment equal zero.