Multiple Choice
In eukaryotic cell architecture, what term describes the portion of the cell outside the nucleus?
20
views
1. Overview of Cell Biology
Eukaryotic Cell Architecture
Multiple Choice
In the context of eukaryotic cell architecture, what is the primary function of the cell body (soma) in a neuron?
A
It forms the myelin sheath to electrically insulate the axon and increase conduction velocity.
B
It is the primary site of neurotransmitter release into the synaptic cleft during signaling.
C
It houses the nucleus and most organelles and serves as the main site of neuronal metabolism and protein synthesis.
D
It generates the action potential by clustering voltage-gated ion channels along its entire membrane surface.
Verified step by step guidance1
Identify the structure in question: the cell body (soma) of a neuron, which is a key part of neuronal architecture.
Recall the main components and functions of the soma: it contains the nucleus and most of the cell's organelles, such as mitochondria, endoplasmic reticulum, and ribosomes.
Understand the role of these organelles: the nucleus stores genetic information, and the ribosomes and endoplasmic reticulum are involved in protein synthesis, which is essential for neuron function and maintenance.
Recognize that the soma is the metabolic center of the neuron, responsible for producing the proteins and energy needed to support the neuron's activities.
Differentiate the soma's function from other neuronal parts: the myelin sheath is formed by glial cells, neurotransmitter release occurs at the synaptic terminals, and action potentials are generated primarily at the axon hillock, not across the entire soma membrane.
Related Videos
Related Practice
