Ribosome Function and Structure

preview_player
Показать описание
Ribosomes Function and Structure

Ribosomes are cellular structures involved in the process of protein synthesis, which is the production of proteins in living cells. These small, granular organelles are found in the cytoplasm of both prokaryotic and eukaryotic cells. They play a crucial role in translating the genetic information stored in RNA (ribonucleic acid) into functional proteins.

The two main components of ribosomes are ribosomal RNA (rRNA) and proteins. Ribosomes consist of a small subunit and a large subunit, each made up of a combination of rRNA and proteins. These subunits come together during protein synthesis.

The process of protein synthesis involves the following steps:

1. Transcription: The genetic information stored in DNA is transcribed into messenger RNA (mRNA) in the cell nucleus.

2. Translation: The mRNA, carrying the genetic code, moves from the nucleus to the cytoplasm, where it associates with ribosomes.

3. Initiation, Elongation, and Termination: The ribosome reads the mRNA sequence in sets of three nucleotides called codons. Each codon codes for a specific amino acid. During initiation, the ribosome assembles on the start codon of the mRNA. In elongation, the ribosome moves along the mRNA, reading each codon and bringing in the corresponding amino acids, which are linked together to form a growing polypeptide chain. Termination occurs when a stop codon is reached, signaling the end of protein synthesis.

Ribosomes act as the molecular machines that facilitate the synthesis of proteins by providing the platform for mRNA and tRNA (transfer RNA) interactions. tRNA molecules bring in amino acids to the ribosome, and the ribosome helps to bond these amino acids together in the order specified by the mRNA, creating a functional protein.

In summary, ribosomes are essential cellular structures that play a central role in protein synthesis, a fundamental process for the growth, development, and maintenance of living organisms.

At Manocha Academy, learning Science and Math is Easy! The school coursework is explained with simple examples that you experience every day! Yes, Science & Math is all around you! Let's learn every day from everyday life!
Рекомендации по теме
Комментарии
Автор

For LIVE Classes, Concept Videos, Quizzes, Mock Tests & Revision Notes please see our Website/App

ManochaAcademy
Автор

This channel deserves more than 1 million view for each video it posts.

DawitAlemayehu-dg
Автор

The best biology teacher ever, for sure

priyankashukla
Автор

you are one of my best teacher ever, Allah makes your life happy and whatever you want in your life Allah make easy for you and fulfill your wishes and dreams ❤️

SaudRehman-gj
Автор

*This method of Explaining in Interactive will take India 🇮🇳 much forward* 😊

SudeepAdhikari
Автор

I truly appreciate your help in my studies .
Thanks a lot
Truly your teaching is superb❤❤❤❤❤❤❤❤❤❤❤

artbyanuj
Автор

Polyribosomes Present mostly in multicellular organism because it need more Proteins to function properly ❤

rithizx
Автор

Palade discovered it in animal cells and Robinson in plants

HamnaFathima-eeyt
Автор

Poly ribosomes present in Eukaryotic cell...it's chain like structure mRNA attched multiple number of ribosomes to form chain like structure called. Polyribosomes..

MalarkodiMalar-pu
Автор

You are explaining well mam Wowww...👌💯

rajkumarungurala
Автор

Excellent lesson. Also do for us lesson about classification of animalia kingdom

COLLINSAVAGA
Автор

We find polysome in the cells that work as mechanical support

AafanMajeed-wyrs
Автор

In prokaryotic cell ...polyribosome are found

Rjt
Автор

In liver cell for the formation of many enzymes as they are protein in nature

sarkar-xhmk
Автор

Polyribosomes can be found in prokaryotic and eukaryotic cells

FredrickAddo-bd
Автор

Ma'am is better than my biology teacher ig😂😂

THEGOATS
Автор

🇩🇿🩺 There is no god but God, Muhammad is the Messenger of God
لا إله إلاّ الله محمد رسول الله

-from_mercury-