Which of the Following Hypotheses Is a Plausible Explanation for Why

question 128

Multiple Choice

Which of the following hypotheses is a plausible explanation for why U.S. households save so little?

• A)Government assistance to the elderly has reduced the need for life-cycling saving.
• B)Most Americans already own homes and, therefore, have less need for life-cycle saving.
• C)The highly developed financial markets in the U.S. have reduced the need for precautionary saving by Americans.
• D)Government assistance to low-income U.S. households has increased the demonstration effects on spending by the poor.

---

Definitions:

Ribosome-mRNA-Polypeptide Complex

A molecular assembly that includes a ribosome, messenger RNA (mRNA), and the newly forming polypeptide chain during protein synthesis.

Rough ER

A network of membranous tubules within a cell, studded with ribosomes, involved in the synthesis and transport of proteins.

Nonsense Mutation

A genetic mutation that results in a premature stop codon, leading to an incomplete and usually nonfunctional protein.

Base-Pair Substitution

A type of genetic mutation where one base pair in the DNA sequence is replaced by another pair, which can lead to changes in the protein made by a gene.