(a) (i) Give a biological molecule that contains: 1. nitrogen 2. phosphorous (ii) Describe the role of microorganisms in producing nitrates from the remains of dead organims.

(i) 1. amino acid 2. DNA(ii) Decomposer microrganisms break down dead material into ammonia. Ammonia is then converted into nitrite and then oxidised to nitrate by nitrifying bacteria. The process is known as nitrification.

AS
Answered by Alice S. Biology tutor

7858 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

what are the different kinds of adaptations?


Describe the process of the Krebs cycle.


Describe the way in which the normal heart beat is initiated and controlled


What is the role of the Loop of Henle in urine production?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning