Bacteria Are a Commonly Used Organism for Studies of Genetic

question 34

Multiple Choice

Bacteria are a commonly used organism for studies of genetic material in the research laboratory. The nucleic acids must first be isolated from the cells for these studies. Which of the following would most likely be used to lyse gram-positive bacterial cells for nucleic acid isolation?

• A) alcohol
• B) lysozyme
• C) polymixins
• D) water
• E) mycolic acid

---

Definitions:

Aquifer

An underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials (gravel, sand, or silt) that can yield significant quantities of water.

Well

A deep hole drilled or dug into the ground to access water, oil, gas, or other underground resources.

Urban Developments

The process of developing areas for residential, commercial, or industrial use within cities or towns.

Rural Developments

Initiatives and policies aimed at improving the economic, social, and physical infrastructure in rural areas to enhance the quality of life and economic viability of these regions.