Class 9 Exam  >  Class 9 Questions  >  Explain the diagram of animal cell? Start Learning for Free
Explain the diagram of animal cell?
Verified Answer
Explain the diagram of animal cell?
Animal Cell
The cell is the fundamental unit of life. All living organisms on planet earth are composed unicellular (single cell) (or) multicellular (many cells). Cells range in its size from a millimeter to microns and generally varies in their shapes.Few cells are flat, oval, rod, curved, spherical, concave, rectangular, and various other shapes are also found. Most of the cells are microscopic in size and can only be seen under the microscope.

Some cells are fairly long and large. For example, a neuron in the human body is approximately 100 microns or 1 meter long and the ostrich egg is the largest cell which ranges from  14-15 cm long and 12-13 cm wide.

Animal cells are a typical eukaryotic cell with a membrane-bound nucleus with the presence of DNA inside the nucleus. They also comprise of other organelles and cellular structures which carry out specific functions necessary for the cell to function properly.

The Animal cell is smaller than the plant cell which varies in their sizes and is irregular in shape. It comprises of the following parts:

Cell Membrane: A thin semipermeable membrane layer of protein and fats surrounding the cell. It helps in owning the cell together and permits entry and exits of nutrients into the cell.

Nuclear Membrane: It is the double membrane that surrounds the nucleus.

Nucleus: A celestial body containing several organelles including the nucleolus. It contains DNA and other cell’s hereditary information.

Centrosome: It is a small organelle found near to the nucleus which has a thick center and radiating tubules. The centrosomes are where microtubules are produced.

Lysosome (Cell Vesicles): They are round organelle surrounded by a membrane comprising of digestive enzymes which help in digestion, excretion and in cell renewal process.

Cytoplasm:  A jelly-like double membrane organelles found outside the cell nucleus in which the organelles are located.

Golgi Body:  A flat smooth layered, sac-like organelle which is located near the nucleus and involved in manufacturing, storing, packing and transporting the particles throughout the cell.

Mitochondrion: They are spherical to rod-shaped organelles with a double membrane. They are the powerhouse of a cell as they play an important role in releasing energy.

Ribosome:  They are small organelles made up of RNA-rich cytoplasmic granules and they are the sites of protein synthesis.

Vacuole: A membrane-bound organelles present inside a cell involved in maintaining shape and storing water, food, wastes, etc.

Nucleopore: They are tiny holes present in the nuclear membrane which are involved in the movement of nucleic acids and proteins within the cell.
This question is part of UPSC exam. View all Class 9 courses
Most Upvoted Answer
Explain the diagram of animal cell?
The Diagram of an Animal Cell

An animal cell is a complex and highly organized unit that makes up the basic structure of animals. It contains various organelles, each with specific functions, working together to ensure the cell's survival and proper functioning. Let's explore the different components of an animal cell diagram in detail.

Cell Membrane:
- Surrounds and encloses the cell, acting as a protective barrier.
- Regulates the movement of substances in and out of the cell.

Nucleus:
- The control center of the cell.
- Contains the genetic material (DNA) that provides instructions for cell activities.
- Surrounded by a nuclear membrane called the nuclear envelope.

Cytoplasm:
- Gel-like substance that fills the cell.
- Provides a medium for chemical reactions to occur.
- Houses various organelles.

Endoplasmic Reticulum (ER):
- A network of membranous tubules and sacs.
- Two types: rough ER (with ribosomes) and smooth ER (without ribosomes).
- Rough ER involved in protein synthesis, while smooth ER participates in lipid metabolism.

Ribosomes:
- Small structures found on the rough ER or freely floating in the cytoplasm.
- Responsible for protein synthesis.

Golgi Apparatus:
- Consists of flattened membrane sacs called cisternae.
- Modifies, sorts, and packages proteins for transport within the cell or secretion outside the cell.

Mitochondria:
- Often referred to as the "powerhouse" of the cell.
- Generates energy through cellular respiration by converting glucose into adenosine triphosphate (ATP).

Lysosomes:
- Contain digestive enzymes.
- Involved in breaking down waste materials, cellular debris, and foreign substances.

Peroxisomes:
- Small vesicles that contain enzymes.
- Involved in detoxification processes and breaking down fatty acids.

Cytoskeleton:
- Provides structural support and maintains cell shape.
- Composed of three main components: microtubules, microfilaments, and intermediate filaments.

Centrioles:
- Found in animal cells only.
- Play a crucial role in cell division (mitosis and meiosis).

Vacuoles:
- Membrane-bound sacs.
- Store water, nutrients, waste products, and other substances.

Summary:
The diagram of an animal cell depicts the various components and organelles that work together to ensure the cell's proper functioning. Each organelle has specific roles and responsibilities, contributing to essential cellular processes such as protein synthesis, energy production, waste disposal, and maintaining cell structure. Understanding the structure and function of these components is crucial for comprehending the complexity of animal cells and their vital role in the overall functioning of animals.
Attention Class 9 Students!
To make sure you are not studying endlessly, EduRev has designed Class 9 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 9.
Explore Courses for Class 9 exam

Top Courses for Class 9

Explain the diagram of animal cell?
Question Description
Explain the diagram of animal cell? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Explain the diagram of animal cell? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Explain the diagram of animal cell?.
Solutions for Explain the diagram of animal cell? in English & in Hindi are available as part of our courses for Class 9. Download more important topics, notes, lectures and mock test series for Class 9 Exam by signing up for free.
Here you can find the meaning of Explain the diagram of animal cell? defined & explained in the simplest way possible. Besides giving the explanation of Explain the diagram of animal cell?, a detailed solution for Explain the diagram of animal cell? has been provided alongside types of Explain the diagram of animal cell? theory, EduRev gives you an ample number of questions to practice Explain the diagram of animal cell? tests, examples and also practice Class 9 tests.
Explore Courses for Class 9 exam

Top Courses for Class 9

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev