Which of the following contain complex, membrane-bound organelles? 1. bacteria 2. viruses 3. eukaryotic 4. prokaryotic

A. 1 and 2
B. 2 and 4
C. 3 only
D. 4 only


C. 3 only

Biology & Microbiology

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Countries whose economies are dominated by primary-sector activities tend to have a relatively low per capita GDP. The exceptions are

A) some oil-rich countries (Saudi Arabia, Qatar, Venezuela). B) tourism-based countries (Jamaica, Kenya, Thailand). C) manufacturing-based countries (Germany, Italy, Japan). D) service-based countries (United States, Canada, Austria). E) primary commodity-producing countries (Mexico, China, Turkey).

Biology & Microbiology

The original impetus to sequence the human genome was to investigate

A) how the four nitrogenous bases encode information. B) how people vary. C) how cancer arises. D) the effects of exposure to low-level radiation on the genetics of populations.

Biology & Microbiology

In the figure above, which number identifies the portion of the cell that houses the metabolic

machinery?

a. 1 b. 2 c. 5 d. 8 e. 4

Biology & Microbiology

The overall equation for the cellular respiration of glucose is

A) C5H12O6 + 6 O2 ? 5 CO2 + 6 H2O + energy. B) 5 CO2 + 6 H2O ? C5H12O6 + 6 O2 + energy. C) C6H12O6 + 6 O2 ? 6 CO2 + 6 H2O + energy. D) C6H12O6 + energy ? 6 CO2+ 6 H2O + 6 O2.

Biology & Microbiology