The Evidence That One Strain of Bacteria Can Often Transform

question 56

Multiple Choice

The evidence that one strain of bacteria can often transform another strain suggests that bacteria

• A) are able to change into viruses.
• B) must have protein as their hereditary material.
• C) might be able to exchange pieces of DNA encoding antibiotic resistance.
• D) must have single-stranded DNA in order to undergo transformation.

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Definitions:

Rain Shadow

A relatively dry region on the downwind side of a topographic obstacle, usually a mountain range; rainfall is noticeably less than on the windward side.

Upwelling Ocean Currents

Upwelling ocean currents are oceanic currents that bring deep, cold, and nutrient-rich water to the surface, fueling primary productivity and supporting marine ecosystems.

Atmosphere Circulation

The large-scale movement of air through the Earth's atmosphere, distributing heat and moisture around the planet and influencing climate and weather patterns.

Dust Storms

Severe weather conditions marked by strong winds lifting vast quantities of dust and sand into the atmosphere.