When Separating DNA Fragments by Gel Electrophoresis,what Is the Purpose

question 11

Multiple Choice

When separating DNA fragments by gel electrophoresis,what is the purpose of including molecular weight markers?

• A)Markers are used as a control to determine the relative size of restriction fragments.
• B)Markers provide an indication as to the total number of restriction fragments on the gel.
• C)Markers are needed to estimate the relative charges on each of the restriction fragments.
• D)Markers ensure that fragments having a greater molecular weight migrate at the same rate as those having a lighter molecular weight.

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Definitions:

Internal Rate of Return

A financial metric used to estimate the profitability of potential investments, calculating the discount rate that makes the net present value of all cash flows from the investment equal to zero.

Present Value

The present value of a future amount of money or a series of cash flows, calculated using a given interest rate.

Annuity

A finance-related product designed to issue a predetermined series of payouts to an individual, typically aimed at serving as an income source for retirement.

Net Present Value

A calculation that compares the present value of cash inflows to the present value of cash outflows over a period of time, used in capital budgeting to assess profitability of investments.