Questions tagged [nitrogen-cycle]

The tag has no usage guidance.

3 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
0
votes
0answers
12 views

What is the energetic costs in KJ/g NH3 for nitrogenase fixation

What is the energetic costs in KJ/g NH3 for nitrogenase fixation. I want to compare Haber-Bosch vs nitrogenase. How would I force the biological stochiometry of 8e- electrons into an energy quantity. $...
0
votes
0answers
17 views

Why does number of nephrons increase exponentially in kidney evolution?

The number of nephrons is often depicted to be increasing exponentially in kidney evolution. What is the primary reason for that increase?
0
votes
0answers
16 views

Water used in excretion in ureotelism vs ammonotelism

Ureotelism is an adaptation to conserve water, less water is needed to excrete nitrogen compared to in ammonotelism. Is the water usage more or less exactly proportional to the number of nitrogen ...