AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

STRUCTURE OF NUCLEIC ACIDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the product of transcription?
A
DNA
B
mRNA
C
tRNA
D
proteins
Explanation: 

Detailed explanation-1: -The product of transcription is RNA, which can be encountered in the form mRNA, tRNA or rRNA while the product of translation is a polypeptide amino acid chain, which forms a protein. Transcription occurs in the nucleus in eukaryotic organisms, while translation occurs in the cytoplasm and endoplasmic reticulum.

Detailed explanation-2: -The process in which the genetic message in DNA is copied into mRNA is called transcription. This mRNA is used to make protein molecules by the process of translation. This is the central dogma of protein synthesis. Hence the final product of a gene is a polypeptide.

Detailed explanation-3: -Answer and Explanation: The product of translation is protein. The translation is a process in which the genetic information contained in an mRNA is decoded into a specific sequence of amino acids to produce polypeptides or proteins.

Detailed explanation-4: -Definition. Transcription, as related to genomics, is the process of making an RNA copy of a gene’s DNA sequence. This copy, called messenger RNA (mRNA), carries the gene’s protein information encoded in DNA.

Detailed explanation-5: -What is the end product of transcription? An RNA transcript is obtained as an end product of transcription. It can form any type of RNA such as rRNA, mRNA, non-coding RNA and tRNA. The prokaryotes form a polycistronic mRNA whereas eukaryotes form a monocistronic mRNA.

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