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Biology

Cell Ribosome

Ribosomes are like tiny factories in the cell. They make proteins that perform all sorts of functions for the cell's operation.

Where are ribosomes located inside the cell?

Ribosomes are either located in the liquid inside the cell called the cytoplasm or attached to the membrane. They can be found in both prokaryote (bacteria) and eukaryote (animals and plants) cells.

Organelle

Ribosomes are a type of organelle. Organelles are structures that perform specific functions for the cell. The ribosome's job is to make proteins. Other organelles include the nucleus and the mitochondria.

Ribosome Structure

The ribosome has two main components called the large subunit and the small subunit. These two units come together when the ribosome is ready to make a new protein. Both of the subunits consist of strands of RNA and various proteins. The "S" in the subunit names is a unit of measure and stands for the Svedberg unit.


Protein Synthesis

The main job of the ribosome is to make proteins for the cell. There can be hundreds of proteins that need to be made for the cell, so the ribosome needs specific instructions on how to make each protein. These instructions come from the nucleus in the form of messenger RNA. Messenger RNA contain specific codes that act like a recipe to tell the ribosome how to make the protein.

There are two main steps in making proteins: transcription and translation. The ribosome does the translation step. You can go here to learn more about proteins.

Translation

Translation is the process of taking the instructions from the messenger RNA and turning it into a protein. Here are the steps the ribosome takes to make the protein: Interesting Facts about the Ribosome
Activities

More Biology Subjects

Cell
The Cell
Cell Cycle and Division
Nucleus
Ribosomes
Mitochondria
Chloroplasts
Proteins
Enzymes

The Human Body
Human Body
Brain
Nervous System
Digestive System
Sight and the Eye
Hearing and the Ear
Smelling and Tasting
Skin
Muscles
Breathing
Blood and Heart
Bones
List of Human Bones
Immune System
Organs

Nutrition
Nutrition
Vitamins and Minerals
Carbohydrates
Lipids
Enzymes

Genetics
Genetics
Chromosomes
DNA
Mendel and Heredity
Hereditary Patterns
Proteins and Amino Acids

Plants
Photosynthesis
Plant Structure
Plant Defenses
Flowering Plants
Non-Flowering Plants
Trees
Living Organisms
Scientific Classification
Animals
Bacteria
Protists
Fungi
Viruses

Disease
Infectious Disease
Medicine and Pharmaceutical Drugs
Epidemics and Pandemics
Historical Epidemics and Pandemics
Immune System
Cancer
Concussions
Diabetes
Influenza


Science >> Biology for Kids


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