The Strands That Make Up DNA Are Antiparallel

question 84

Multiple Choice

The strands that make up DNA are antiparallel. This means that

• A) one strand is positively charged, and the other is negatively charged.
• B) the base pairings create unequal spacing between the two DNA strands.
• C) the 5´-to-3´ direction of one strand is counter to the 5´-to-3´ direction of the other strand.
• D) the twisting of the DNA molecule has shifted the two strands.
• E) purines bond with purines and pyrimidines bond with pyrimidines.

Understand the nature of ionic bonds and their formation between atoms.

Differentiate between electrically neutral atoms and ions.

Identify acids, bases, and their roles in chemical reactions.

Explain the formation and importance of covalent bonds.

---

Definitions:

Personal Responsibility and Work Opportunity Act

A United States federal law enacted in 1996 that aimed to reduce dependency on government benefits, curb welfare spending, and encourage employment and marriage among welfare recipients.

Welfare Benefits

Welfare benefits are government-provided assistance programs aimed at supporting the well-being of citizens, especially those in financial need.

Brady Bill

Legislation signed into U.S. law in 1993 that mandated federal background checks on firearm purchasers in the United States and imposed a five-day waiting period on purchases, until the NICS system was implemented.

Black Supremacists

Individuals or groups that believe black people are superior to people of other races and should dominate society, a belief system considered radical and divisive.