Enzymes in Plants Convert Nitrate into Ammonia $\rarr$ NO₂^-(aq) + OH^-(aq)
A) 1
B) 2
C) 3
D)

question 10

Multiple Choice

Enzymes in plants convert nitrate into ammonia. The unbalanced half-reaction equation is given below. What is the stoichiometric coefficient of the electrons, e^-, in the balanced reaction equation?
NO₃^-(aq) + H₂O(l) + e^- $\rarr$ NO₂^-(aq) + OH^-(aq)

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

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Definitions:

Superego

One of the three components of the human psyche in Freudian psychoanalytic theory, representing the moral conscience and the social standards of right and wrong.

Id

A component of Sigmund Freud's psychoanalytic theory, representing the instinctual drives and the source of psychic energy.

Ego

In psychoanalytic theory, it represents the part of the personality that mediates between the demands of the id, superego, and reality.

Libido

A term used in psychoanalytic theory to describe the energy created by the survival and sexual instincts.