Compared to Eutrophic Lakes, the Biochemical Oxygen Demand (BOD) of Oligotrophic

question 31

Multiple Choice

Compared to eutrophic lakes, the biochemical oxygen demand (BOD) of oligotrophic lakes is:

• A) low
• B) same
• C) high
• D) unpredictable
• E) extremely high

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Definitions:

Membrane-bound Receptor Model

A theory describing how specific proteins located on the cell membrane bind to external molecules, triggering a response inside the cell.

Neuropeptide

A type of molecule used by neurons to communicate with each other, involving in various brain functions such as analgesia, reward, food intake, metabolism, reproduction, social behaviors, learning, and memory.

Neurons

Nerve cells that transmit electrical signals throughout the body, integral to the functioning of the nervous system.

Presynaptic Terminal

Enlarged axon terminal or terminal bouton.