You are weeding your garden when you accidentally expose some roots of your pea plants. You notice swellings (root nodules) on the roots and there is a reddish tinge to the ones you accidentally damaged. Most likely your peas plants _____
A) suffer from a mineral deficiency
B) are infected with a parasite
C) are benefiting from a mutualistic bacterium
D) are developing offshoots from the root
C
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The depth of a thermocline is directly influenced by all the following factors, except
A) wind speed. B) wave action. C) input of solar radiation. D) influx of water.
Electrons are transferred in the Krebs cycle in the form of (oxygen/hydrogen) atoms to NAD+ and FAD
What will be an ideal response?
What does the enzyme nitrogenase do?
A. It is a eukaryotic enzyme that removes amino groups from proteins that get converted into ammonia. B. It is a prokaryotic enzyme that converts nitrogen gas to ammonia. C. It is a bacterial enzyme that oxidizes nitrate to gaseous nitrogen. D. It is a eukaryotic enzyme that oxidizes ammonium to form nitrate.