Which Type of Microscope Is the Most Widely Used and Shows

question 42

Multiple Choice

Which type of microscope is the most widely used and shows cells against a bright background?

• A)Bright field
• B)Dark field
• C)Phase contrast
• D)Fluorescence
• E)Electron

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Definitions:

Defense of Marriage Act

A U.S. federal law enacted in 1996 that defined marriage as the union between one man and one woman and allowed states to refuse to recognize same-sex marriages granted under the laws of other states, later deemed unconstitutional in part.

"Don't-Ask-Don't-Tell"

A U.S. policy, in effect from 1993 to 2011, that barred openly gay, lesbian, or bisexual individuals from military service, but also prohibited military officials from inquiring about service members' sexual orientation.

Ethnic Group

A community or population made up of people who share a common cultural background, heritage, language, or lineage.

Latino Americans

Americans with cultural, historic, or ancestry ties to Latin America, including those from Central and South America, and the Caribbean.