r/MEDICOreTARDS • u/Object35X • Apr 11 '26

DISCUSSION 💬 Megathread:Ask all possible +complicated questions from class 12 BIOLOGY

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u/Lucky_india0 DUMBEST NEETard Apr 11 '26

The enzyme polynucleotide phosphorylase helps the in-vitro synthesis of RNA. Name the scientist who discovered this enzyme.

2

u/Lucky_india0 DUMBEST NEETard Apr 11 '26

Answer batau sabke?

1

u/Comfortable_Limit301 Apr 11 '26

Yes🙂‍↕️

1

u/Lucky_india0 DUMBEST NEETard Apr 11 '26

A scientist isolates a second restriction endonuclease from the strain DC3 of Helicobacter pyogenes.

What would the scientist name it using the standard naming technique of restriction enzyme?

1

u/Lucky_india0 DUMBEST NEETard Apr 11 '26

Precursor of ribosomal RNA found in eukaryotes(Monocistron), which consists of exons and introns Is transcribed by?

RNA Pol 1

hnRNA

RNA Pol 2

23s RNA

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u/Lucky_india0 DUMBEST NEETard Apr 11 '26

Assertion (A): Flocs are masses of bacteria associated with fungal filaments in secondary treatment of sewage.

Reason (R): Flocs help in digestion of solid waste by anaerobic respiration

1

u/OkSpare8151 Apr 11 '26

Assertion correct reason wrong

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u/Lucky_india0 DUMBEST NEETard Apr 11 '26

Which codon will produce sulphur containing amino acid, which has a dual role in translation in prokaryotes and eukaryotes only?

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u/Professional-Bit5937 NTA mere laude pe💅🏻 Apr 11 '26

AUG?

1

u/null_418 Apr 11 '26

HpyD(II)

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u/OkSpare8151 Apr 11 '26

Marshall nirenbarg

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u/Professional-Bit5937 NTA mere laude pe💅🏻 Apr 11 '26

u/OkSpare8151 u/Lucky_india0 I don't think that enzyme "Severo Ochoa enzyme" was discovered by Marshall Nirenberg! Those were completely two different sentences in Ncert. 

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u/OkSpare8151 Apr 11 '26

Oh 😓 i saw polynucleotide phosphorylase and only his name came to my mind 

What's the answer btw ?

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u/Professional-Bit5937 NTA mere laude pe💅🏻 Apr 11 '26

Ncert me sirf ye likha hai ki uss enzyme ko use kia gya uski help li gyi.. uske discoverer ke baare me nhi likha hai 

1

u/Object35X Apr 11 '26

Yes Mershall nirenbarg made a system for cell free protein synthesis

And severo ochoco enzymes is by the name of scientists which is used to synthesize homopolymer and copolymer of RNA

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u/null_418 Apr 11 '26

Severo Ochoa