Bacterial Protein synthesis Animation - Initiation, Elongation and Termination
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- Опубліковано 19 гру 2019
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Bacterial Protein synthesis Animation - Initiation , Elongation and Termination ( Microbiology )
Gene expression is the process by which genetic information flows from DNA to RNA to the protein. The translation of DNA into RNA is termed transcription; protein synthesis from RNA templates is called translation. Details on gene expression and transcription can be found in a separate learning card.
Translation is carried out by ribosomes, which are large molecular complexes of ribosomal RNA (rRNA) and proteins. Ribosomes bind to RNA templates, also termed messenger RNA (mRNA), and catalyze the formation of a polypeptide based on this template. In the process, a charged transfer RNA (tRNA) recognizes a nucleotide triplet of mRNA that matches a specific amino acid (AA). The new AA is then linked to the next AA of the growing polypeptide on the ribosome. Translation ends once a specific nucleotide sequence of the mRNA is reached (a stop codon). The ribosome subsequently dissociates and the mRNA and newly synthesized protein are released.
Before proteins are functional, a proper shape and destination are both necessary. Proteins begin to fold into their three-dimensional structure during translation according to the AA sequence and local chemical forces and reactions. Various specialized proteins (folding catalysts, chaperones) also help the newly formed proteins to fold properly and reach their correct destinations (e.g., cytosol, organelles, extracellular matrix) via protein modifications. The translation rate of proteins is adjusted to the current conditions of the cell and bodily demands, and is affected by the presence or absence of certain nutrients.
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Doing my second year in Biology and this helped A LOT!
Thank you !
Thank you so much for this. It has really helped with this quarantine learning.
Thank you Doc for sharing this video.
Thank you sir you made my report more easier, for that you earn my subscription,♥️
I am a Secondary Education student with majors in General Science here in the Philippines
This amazing!
Such a good Video!
Very helpful! Thank you so much)
You are the BEST
Thanks for this, this is very much helpful
Great 🎉
Thank you so much! My textbook literally spends 20 pages trying to explain the same exact thing this video does in 5 minutes!!!
Tysm
omg same.what textbook are u using
@@alisond.7634 I'm using iGenetics by Peter Russell
lehninger or lippincott /harper
Better than most university lectures! b
I watch this video every night before I sleep.
Thank you so much
Super class sirrr tq soo much for your video
Thank you so much 😊
Best.
This is the best animation about translation (in prokaryotes) that I have ever seen!
Thank you for this!!
You're so welcome!
Amazing.
Thank you! Cheers!
Thank you so much. Very helpful.
Glad it was helpful!
2 minutes into the video and I already understood more than 20 minutes of online lecture
2 hrs of online lecture****
شكرااا
Thank you so much❤💕
You're welcome 😊
Thank you 💜
You are so welcome
What took my professor 50 minutes to explain cut into 5.5 min. And I actually understand it here.
How do the matching tRNA molecules know when to enter the ribosome? Same for the elongation factor - how does it know when to approach to shift the ribosome?
Nice😍
Thanku so much it is very very helpfull thanks alot☺☺
So nice of you
me watching them make it deeper and deeper each semester: NOW YOU'RE JUST MAKING UP
🤣
It was great, thank you👏💙
You're welcome 😊
Which subunit add first with m RNA
Small subunit or large subunit..????
The small subunit seems to add onto the mRNA strand first. The large ribosomal subunit doesn't load onto the mRNA until IF3 is unbound from the small ribosomal subunit
NEET Aspirant❤✋