RNA Review

Front

What are the main components of RNA?

Back

RNA is composed of ribose sugar, phosphate groups, and nitrogenous bases (adenine, uracil, cytosine, and guanine).

Front

What is the primary function of RNA in cells?

Back

RNA plays a crucial role in protein synthesis, acting as a messenger between DNA and ribosomes.

Front

What is the difference between RNA and DNA in terms of structure?

Back

RNA is typically single-stranded, while DNA is double-stranded.

Front

What sugar is found in RNA?

Back

Ribose.

Front

What sugar is found in DNA?

Back

Deoxyribose.

Front

Name the three main types of RNA and their functions.

Back

1. mRNA (messenger RNA) - carries genetic information from DNA to ribosomes. 2. tRNA (transfer RNA) - brings amino acids to ribosomes during protein synthesis. 3. rRNA (ribosomal RNA) - makes up the ribosomes and helps in protein synthesis.

Front

Which nitrogenous base is found in RNA but not in DNA?

Back

Uracil.

Front

What is transcription in the context of RNA?

Back

Transcription is the process of copying a segment of DNA into RNA.

Front

What is the role of mRNA in protein synthesis?

Back

mRNA carries the genetic code from DNA to the ribosome, where proteins are synthesized.

Front

How does tRNA contribute to protein synthesis?

Back

tRNA transports specific amino acids to the ribosome, matching them to the corresponding codons on the mRNA.