Looking at the U

question 1

Multiple Choice

Looking at the U.S. balance of payments from 1980 to 2008, we see that the

• A)current account was positive until 1992 then turned negative.
• B)current account has been negative for most years and was small in the late 1980s and early 1990s.
• C)current account was negative until 1992 then turned positive.
• D)capital account has been negative for most years and was small in the late 1980s and early 1990s.
• E)official settlements account was large in the 1980s relative to the current account.

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Definitions:

Amino Acids

Fundamental components of proteins, each containing an amino group, a carboxylic acid group, and a unique side chain.

Double Helix

The structure of DNA, which consists of two antiparallel polynucleotide chains twisted around each other.

Polymer

is a chemical compound or mixture of compounds formed by polymerization and consisting essentially of repeating structural units.

Nucleotides

The basic building blocks of nucleic acids like DNA and RNA, consisting of a sugar, a phosphate group, and a nitrogenous base.