Nitrogen-Fixing Bacteria and Nitrifying Bacteria Convert Atmospheric Nitrogen into Different

question 15

Multiple Choice

Nitrogen-fixing bacteria and nitrifying bacteria convert atmospheric nitrogen into different compounds of nitrogen such as:
(a) ammonium ion, (b) ammonia, (c) nitrate ion, and (d) nitrite ion. Which of the following is the correct sequence of formation of the nitrogen compounds?

• A) a, b, c, and d
• B) b, a, d, and c
• C) b, a, c, and d
• D) a, b, d, and c

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Definitions:

Neurotransmitters

Neurotransmitters are chemical messengers that transmit signals across a chemical synapse from one neuron to another, influencing mental state and behavior.

Excitatory

Pertaining to or causing excitation, often used in the context of neurotransmitters or synaptic inputs that increase the likelihood of a neuron firing.

Inhibitory

Relating to or resulting in the suppression or hindrance of a process, especially in the context of neurological or biochemical functions.

Axon Terminal

The endpoint of an axon where neurotransmitters are released to communicate with other neurons or muscles.