37 Slides: Cycling of Nutrients

Question 1

What are the compounds of nitrogen found in the soil

Answer 1

NO3- (Nitrate) NO2- (Nitrite), NH3 (ammonia) NH4+ (ammonium)

Question 2

Besides denitrifying bacteria, what can nitrogen be fixed by?

Answer 2

Lightning

Question 3

Why is the carbon cycle a long vs. short term cycle.

Answer 3

Because the process of photosynthesis and cellular respiration are much faster than those of fossil fuels being created by pressure and being released by geological processes such as volcanoes.

Question 4

What is the chemical/physical nutrient cycler in the carbon cycle.

Answer 4

Condensation and precipitation.

Question 5

What molecule does carbon contribute to (its name and structure), and what do cells us it for?

Answer 5

Glucose; C6H12O6. Used in structural components (ex. amino acids) and storage.

Question 6

What bond does N2 have?

Answer 6

triple bond.

Question 7

Nitrogen fixation is…

Answer 7

…critical to all life on earth.

Question 8

Is nitrogen abundant?

Answer 8

no.

Question 9

What is nitrogen critical for?

Answer 9

amino acids.

Question 10

What of the three inorganic nutrients is the least abundant?

Answer 10

phosphorus.

Question 11

Where does phosphorus come from, namely?

Answer 11

Erosion of rocks.

Question 12

What does phosphorus NEVER exists as.

Answer 12

A gas.

Question 13

What is phosphorus critical in making?

Answer 13

ATP