The Smallest Living Things Are

question 118

Multiple Choice

The smallest living things are

• A) proteins.
• B) cells.
• C) tissues.
• D) organs.
• E) organ systems.

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Definitions:

Shadows

In a psychological context, this could refer to the unrecognized or hidden aspects of oneself.

N-methyl-D-aspartate (NMDA)

A receptor in the brain that plays a key role in synaptic plasticity, memory function, and involved in neuronal communication.

Cholinesterase

is an enzyme that breaks down acetylcholine and other choline esters that function as neurotransmitters, important in muscle function and memory.

Lewy Body

Abnormal aggregations of protein that develop inside nerve cells, contributing to Parkinson's disease and dementia.