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What are Dna and Rna considered to be?
Whereas Rna also has catalytic abilities, both are considered to be 'Information Molecules'.
How could RNA have become involved in the mechanism for protein translation?
natural selection favored RNA molecules that synthesized catalytic proteins
In general RNA molecules?
In general, RNA (ribonucleic acid) molecules are vital biomolecules that play key roles in the synthesis of proteins and the regulation of gene expression. Unlike DNA, RNA is typically single-stranded and contains the sugar ribose and the nucleotide base uracil instead of thymine. There are several types of RNA, including messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA), each serving distinct functions in the cellular processes of transcription and translation. Additionally, some RNA molecules, such as ribozymes and small interfering RNAs (siRNAs), have catalytic and regulatory roles, highlighting the versatility of RNA beyond mere genetic information transfer.
What are three types of RNA molecules?
Messenger RNA (mRNA) carries the genetic information from DNA to the ribosome for protein synthesis. Transfer RNA (tRNA) transports amino acids to the ribosome during protein synthesis. Ribosomal RNA (rRNA) is a component of the ribosome and plays a structural and catalytic role in protein synthesis in the ribosome.
How long is RNA?
The length of RNA can vary significantly depending on the specific type and function. In general, RNA molecules are much shorter than DNA molecules, typically ranging from a few hundred to several thousand nucleotides in length.
How many strands are in molecule of RNA?
Generally, RNA is single stranded, but there are exceptions, especially in catalytic RNA.
What form of RNA forms a particle where proteins are assembled?
This catalytic form of RNA is called ribosomal RNA, rRNA.
Which of the nucleotides occurs in DNA molecules but not in RNA molecules?
Thymine is a nucleotide that occurs in DNA molecules but not in RNA molecules. In RNA, thymine is replaced by uracil.
Name of sugar in RNA?
The pentose sugar in RNA is called RIBOSE
What is the difference between ribosomes and ribozymes?
Ribosomes are cellular organelles that are responsible for protein synthesis, while ribozymes are RNA molecules that have catalytic activity and can catalyze specific biochemical reactions. Ribosomes are composed of both proteins and RNA, while ribozymes are made entirely of RNA.
The term ribozyme describes what property of RNA molecules?
A ribozyme is an RNA molecule that is capable of catalyzing a chemical reaction. Prior to the discovery of ribozymes, the only known biological catalysts were proteins called enzymes.
Does transcription require RNA polymerase for the synthesis of RNA molecules?
Yes, transcription requires RNA polymerase for the synthesis of RNA molecules.
