Bacterial Ribosomes

question 75

Multiple Choice

Bacterial ribosomes:

• A) bind tightly to specific regions of DNA, forming polysomes.
• B) contain at least one catalytic RNA molecule (ribozyme).
• C) contain three species of RNA and five different proteins.
• D) have specific, different binding sites for each of the 20 tRNAs.
• E) require puromycin for normal function.

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Definitions:

Average Tax Rate

Total tax paid divided by total taxable income or some other base (such as total income) against which to compare the amount of tax paid. Expressed as a percentage.

Progressive Tax

At the individual level, a tax whose average tax rate increases as the taxpayer’s income increases. At the national level, a tax for which the average tax rate (= tax revenue/GDP) rises with GDP.

Exhaustive Governmental Outlay

Total government spending on goods and services that are directly consumed or invested, excluding transfer payments such as subsidies or social security benefits.

Subsidy Check

A government grant paid to individuals, businesses, or other entities as financial support to encourage or maintain economic activities deemed beneficial.