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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

Which of the following is not correct? The cerebral cortex a. is the part of the brain most directly responsible for reasoning, language, and problem solving. b. is divided into four lobes. c. forms the outer layer of the cerebral hemispheres. d. accounts for a much smaller percentage of brain mass in humans than in other animals.

The brain and spinal cord constitute the _____ nervous system.

In the long-standing debate in psychology over the naturenurture issue, the central question is: a. How much of our genetic code do we have in common with others? b. Which is a more influential factor in human behavior the genotype or the phenotype? c. Does heredity or environment govern human behavior? d. To what extent do rearing influences affect our genotype?

Dizygotic (fraternal) twins result when a. a zygote is formed and then splits into two cells. b. two egg cells are fertilized by different sperm. c. two different sperm fertilize the same egg cell, which then divides in half. d. two zygotes are formed from the fertilization of the same egg cell.

Which of the following is not true? a. Handedness runs in families. b. Handedness is determined entirely by genetic factors. c. Researchers have found that the great majority of fetuses suck their right thumbs. d. Imposing right-handedness on left-handed children can lead to emotional problems.
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