More Chemical Requirements for Microbial Growth

Question 1

Which chemical element constitutes about 14 percent of the dry mass of cells

Answer 1

Nitrogen

Question 2

The Amine group on amino acids contains which required chemical element?

Answer 2

Nitrogen

Question 3

What is a common Nitrogen containing molecule from which bacteria can get their required nitrogen for growth?

Answer 3

Proteins

Question 4

Ammonium is another source of Nitrogen for cells. What is its molecular formula?

Answer 4

NH4

Question 5

Nitrates are another source of Nitrogen for cells. What is the molecular formula for Nitrates?

Answer 5

NH2

Question 6

Some bacteria have the ability to convert Nitrogen Gas into usable Ammonium as a source of Nitrogen. What is the molecular formula of Gaseous Nitrogen?

Answer 6

N2

Question 7

Sulfur is one of the 5 main elements that are necessary for microbial growth. What do microorganisms make with Sulfer?

Answer 7

Amino Acids and Vitamins

Question 8

Phosphorus is one of the 5 main chemical elements that are necessary for microbial growth. What is Phosphorus used for?

Answer 8

-The Phosphate Backbone of DNA & RNA

-ATP

Question 9

What are the 7 Trace Elements required for Microbial Growth?

Answer 9

Potassium
Magnesium
Calcium
Iron
Copper
Molybdenum
Zinc

Question 10

What is the Function of the 7 Trace Elements required for Microbial Growth?

Answer 10

Cofactors for Enzymes

Question 11

What is a good source of the 7 Trace Elements required for Microbial Growth?

Answer 11

Distilled Water