The flow of genetic information from dna to protein in eukaryotic cells is called the central dogma of biology. explain the role of each of the following in protein synthesis in eukaryotic cells:
a) rna polymerase,
b) spliceosomes (during rna processing),
c) (snrnp)'s) codons,
d) ribosomes,
e) trna.

A) RNA Polymerase: It is an enzyme  which is required for the synthesis of RNA from DNA strand.

B) Spliceosomes (during RNA processing): These are complex molecules made up of small nuclear RNAs (snRNA) and some proteins and required for the removal of introns from pre-mRNA.

C) snRNP's: As explained earlier , these are an integral part of spliceosomes.  

D) Ribosomes: These are small particles which are made up of RNA and associated proteins and help in translation.

E) tRNA: It is a kind of RNA which helps in translation.

Explanation:

A) RNA Polymerase: It uses DNA template to transcribe RNAs which are subsequently mainly used in protein synthesis (translation).

B) Spliceosomes: They are used during RNA processing. Once a pre-mRNA has been synthesized from DNA, it needs to be processed to become functional. A pre-mRNA has introns and exons, but it is only exons which are translated and introns are removed with the help of spliceosomes.

C) snRNP's: During RNA processing, these molecules help in intron removal along with around 80 types of proteins.

D) Ribosomes: These small molecules play a great role during translation. During translation they bind to two other essential molecules named as tRNA and mRNA so as to synthesize polypeptides.

E) tRNA: It brings amino acids to the complex which is involved in protein synthesis so that polypeptide can be synthesized.

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