Quiz for:
Chemical Needs for Microbial Growth

Question 1

What are two examples of reactive oxygen species that can be toxic to microbes?

Question 2

In which environment do obligate anaerobes typically thrive?

Question 3

What is the function of resazurin in thioglycolate medium?

Question 4

What is the role of carbon in microbial growth?

Question 5

How do photoautotrophs obtain their energy?

Question 6

What is the source of sulfur for microorganisms?

Question 7

Which type of microorganism can grow in both the presence and absence of oxygen?

Question 8

Which organisms use light to convert inorganic CO2 to organic material?

Question 9

Which macronutrient forms half of the dry weight of a microbial cell?

Question 10

Why is phosphorus critical for microbial growth?

Question 11

Which trace element functions as an enzyme cofactor in cellular respiration?

Question 12

Which enzyme is responsible for neutralizing superoxide anions?

Question 13

How do obligate aerobes perform respiration?

Question 14

Which group of microorganisms uses inorganic CO2 as a carbon source?

Question 15

What role does nitrogen play in microbial cells?