Why Does It Appear That Each Origin Can Only Be

question 42

Multiple Choice

Why does it appear that each origin can only be activated once per cell cycle?

• A)MCM proteins are displaced from the DNA after replication and cannot reassociate with a replication origin that has already fired.
• B)The ORC is denatured after replication and cannot return to the DNA.
• C)The DNA becomes naked until the next round of cell division.
• D)MCM proteins reassociate with DNA immediately and prevent further replication from that DNA.
• E)MCM proteins bind to other proteins in the cytoplasm; together they actively inhibit further replication.

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Definitions:

Weighted Average Cost of Capital (WACC)

The average rate of return a company is expected to pay to all its security holders to finance its assets.

WACC

Weighted Average Cost of Capital; a formula used to calculate a business's cost of capital, where every type of capital is weighted according to its proportion.

Yield-to-Maturity

The total return anticipated on a bond if the bond is held until its maturity date, expressed as an annual rate.

Tax Rate

The percentage defining how much of a person's or business's income is allocated to taxes.