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Chapter 2: Problem 2

What is the part of the neuron that performs the metabolic functions of the cell?

Short Answer

Expert verified
The cell body (soma) performs the metabolic functions of the neuron.

Step by step solution

01

Identifying the Main Component of a Neuron

Neurons have several parts including the cell body (soma), dendrites, and axon. We need to decide which one is primarily responsible for metabolic functions.
02

Understanding the Role of the Cell Body (Soma)

The cell body, or soma, of the neuron is where the nucleus is located and is responsible for most of the metabolic functions necessary for the neuron's survival, including synthesizing proteins and maintaining cellular integrity.
03

Conclusion on Metabolic Functions

Since the cell body contains the nucleus and various organelles, it is responsible for performing the metabolic functions of the neuron. This makes it essential for cell maintenance and function.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Cell Body
The cell body, also known as the soma, is a crucial part of a neuron. It can be thought of as the control center of the neuron.
The cell body houses the nucleus, which contains the cell's genetic material and is responsible for regulating activities within the cell.
This central section connects to other neuron parts like axons and dendrites. These connections are vital for sending and receiving information.
  • Houses the nucleus
  • Connects axons and dendrites
  • Central control of neuron
By coordinating various functions, the cell body ensures that the neuron is well-operational and able to function effectively within the nervous system.
Metabolic Functions
Metabolic functions are essential processes that occur within a cell, including energy production and biosynthesis.
In the context of neurons, these functions are primarily carried out by the cell body.
The soma contains organelles such as mitochondria, ribosomes, and the endoplasmic reticulum, which facilitate these processes.

  • Mitochondria produce energy through respiration.
  • Ribosomes are involved in protein synthesis.
  • The endoplasmic reticulum helps in processing proteins and lipids.
These metabolic processes are critical for maintaining neuron health and function, allowing it to efficiently transmit signals throughout the nervous system.
Soma Role
The soma has several pivotal roles in the life of a neuron beyond metabolic functions. It not only regulates essential neurotransmitter production but also manages the repair and renewal of neuron components.
By producing proteins and enzymes, the soma ensures that the neuron can maintain its connectivity and adaptability.

  • Regulates neurotransmitter production
  • Repairs and renews neuron parts
  • Maintains connectivity
The soma's ability to perform these tasks directly influences the efficiency of neural communication, which is vital for tasks like thinking, learning, and memory.

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Most popular questions from this chapter

The parasympathetic nervous system a. slows some bodily activity and allows for the replenishment of energy. b. is part of the central nervous system. c. is also known as the "fight-or-flight" mechanism. d. draws energy from bodily reserves to meet stressful demands on the body.

Match the following parts of the brain with the functions they control: (a) medulla; (b) cerebellum; (c) thalamus; (d) cerebral cortex. i. balance and coordination ii. thinking and organizing iii. relay of sensory information to the cerebral cortex iv. heart rate and breathing

Although nerve cells don't actually touch each other, they communicate by means of a. electrical impulses that travel from dendrites to receptor sites on adjacent neurons. b. neurotransmitters that carry the neural impulse across the synapse. c. interneurons that serve as relay stations between neurons. d. nerve cells that function independently and have no need to communicate with each other.

Whereas the ________ hemisphere appears to be dominant for language functions for most people, the ________ hemisphere appears to be dominant for nonverbal functions.

Which part of the cerebral cortex processes auditory information?
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