What is ribozymes , Biology

Assignment Help:

In at least single eukaryote, Tetrahymena, the pre-rRNA molecule holds an intron.  Erasing  of  the  intron  in running  processing  of  the  pre-rRNA  does  not require  the  assistance  of  any  protein!  Instead,  in  the  presence  of  guanosine, GDP, GMP   or  GTP,  the  intron  excises  itself is a  phenomenon  known  as  self- splicing.  This was the first expression of ribozymes, which is, catalytic RNA molecules which catalyze particular reactions. The Self-splicing introns have also been discovered  in  some  eukaryotic  mRNAs  and  even  peptidyl  transferase  a  main activity in protein synthesis is now known to be a ribozyme.

 

 


Related Discussions:- What is ribozymes

Imaging techniques to test stress, Q. Imaging Techniques to test stress? ...

Q. Imaging Techniques to test stress? A screening exam with M-mode and limited Doppler should be performed at the start of the test, but a detailed echo examination is usually

Diseases, what diseases are caused by trypanosoma and entameoba histolytica...

what diseases are caused by trypanosoma and entameoba histolytica

Diagnosis of diabetes mellitus, Complete history taking is an initial step ...

Complete history taking is an initial step in diagnosis. You will ask the patient about present complaints, past history, family history, any drug allergy and also the kind of diet

Neurological assessment of new born, Neurological Assessment The neuro...

Neurological Assessment The neurological assessment is made up of eight neurological criteria which have high, significance with gestational age. (Fig. 3.2) In order to perf

What are the predominating chemical compounds, What are the predominating c...

What are the predominating chemical compounds respectively in eggshell, white and yolk? The eggshell is essentially made of calcium carbonate. The white, or albumen, is compose

Non-rapid-eye-movement sleep, Stage 1 sleep: As an individual becomes drows...

Stage 1 sleep: As an individual becomes drowsy, and enters stage 1, alpha wave decreases and theta waves appear. Theta waves with a frequency of about 6 to 8 cycles per second are

What do you mean by age pyramids, Q. What are age pyramids? Age pyramid...

Q. What are age pyramids? Age pyramids are the graphical representations in form of superposed rectangles each representing the number of individuals included in age ranges int

Light requirement - seed dormancy, Light Requirement - Seed Dormancy T...

Light Requirement - Seed Dormancy The light requirement for germination of many seeds is presumably a mechanism that prevents the germination of small seeds buried deep underg

What is radiographic template, What is Radiographic Template Radiograp...

What is Radiographic Template Radiographic Template : You should always use it while taking a panoramic radiograph of the patient. It is done to counter the effect of magnific

Describe physical inactivity in lifestyle risk factors, Describe Physical I...

Describe Physical Inactivity in lifestyle risk factors? Prospective epidemiological studies have shown that a sedentary lifestyle is associated with an adverse effect on the ri

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd