AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

DNA MAKES RNA MAKES PROTEIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the three main types of RNA?
A
Messenger RNA, Ribosomal RNA, and Transfer DNA
B
Adenine, Thymine, and Cystonine
C
Amino Acid, Uracil, and Ribosome
D
RNA, DNA, and Polymearse
Explanation: 

Detailed explanation-1: -mRNA, rRNA, and tRNA are the three main types of RNA involved in protein synthesis. RNA also serves as the primary genetic material for viruses. Other functions include RNA editing, gene regulation, and RNA interference.

Detailed explanation-2: -Each of the three types of RNAs performs unique functions and have different structures. mRNA provides a template for gene coding during protein synthesis, tRNA carries the amino acids to the ribosomes, which has to be added to the polypeptide chain and rRNA forms ribosomes along with proteins.

Detailed explanation-3: -Three main types of RNA present in cells include messenger RNA (mRNA), ribosomal RNA (rRNA) and transfer RNA (tRNA). Messenger RNA (mRNA) is a single-stranded RNA molecule responsible for carrying genetic information from the nucleus to the cytoplasm for protein synthesis by ribosomes.

Detailed explanation-4: -Transfer RNA (tRNA) Transfer RNA (abbreviated tRNA) is a small RNA molecule that plays a key role in protein synthesis. Transfer RNA serves as a link (or adaptor) between the messenger RNA (mRNA) molecule and the growing chain of amino acids that make up a protein.

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