Multiple choice

A growth limiting nutrient for many microorganisms

  1. sulfur

  2. nitrogen

  3. oxygen

  4. carbon

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Nitrogen is a critical component of proteins and nucleic acids. Because it is often required in large amounts but is not always readily available in a usable form, it frequently acts as a limiting nutrient for microbial growth.