The Function of DNA Topoisomerases Is

question 35

Multiple Choice

The function of DNA topoisomerases is:

• A) packaging DNA into nucleosomes.
• B) forming cruciform DNA.
• C) unwinding G:C rich areas in DNA.
• D) breaking one or more strands of DNA, winding them tighter or looser, and rejoining the ends.
• E) promoting DNA hybridization.

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Definitions:

Cartels

Formal agreements among competing firms to control prices, production, and distribution of goods, often to restrict competition and increase profits illegally.

Collusive Arrangements

Agreements between firms to control prices or exclude entry of a new competitor in the market, often in violation of antitrust laws.

Secret Price Concessions

Unadvertised discounts or reductions in price offered to buyers, often as part of negotiation processes in sales transactions.

OPEC

The Organization of the Petroleum Exporting Countries (OPEC) is an intergovernmental organization of oil-exporting countries aimed at coordinating and unifying petroleum policies to secure fair and stable prices for petroleum producers.