Some cyanobacteria are capable of nitrogen fixation, a process that __________.
a. converts N2 to ammonia, making nitrogen available for incorporation into proteins and nucleic acids
b. oxidizes nitrogen-containing compounds to produce ATP
c. allows these bacteria to live in anaerobic environments
d. removes soil nitrogen and returns N2 gas to the atmosphere
e. s an essential part of the nitrogen cycle that extracts nitrogen trapped in mineral deposits and makes it available to organisms for their nitrogen metabolism
Answer: a. converts N2 to ammonia, making nitrogen available for incorporation into proteins and nucleic acids
You might also like to view...
The stage of viral replication in which viral nucleic acids and proteins are manufactured is
A.synthesis. B.attachment. C.release. D.assembly. E.penetration.
Which of the following are symptoms of hypothyroidism?
a) Fatigue b) Weight Gain or increased difficulty in loosing weight. c) Diarrhea d) A and B only e) All of the above
Which of the following substances is released outside of the body in its normal route of action?
A) paracrine signal B) neurotransmitter C) prostaglandin D) pheromone E) growth factor
Is it possible to be a "carrier" (phenotypically normal but capable of passing the allele to one's offspring) for cystic fibrosis?
a. Yes b. No