18 Questions
What is the primary difference between DNA and RNA in terms of their nitrogenous bases?
RNA contains uracil instead of thymine
What is the primary function of restriction enzymes?
To cut DNA at specific restriction sites
What is the relationship between introns and exons in a gene?
Introns are non-coding regions and exons are coding regions
What is the primary purpose of the polymerase chain reaction (PCR) technique?
To produce large amounts of DNA quickly
Which of the following correctly describes the process of transcription?
Transcription is the process by which DNA makes RNA
What is the role of RNA processing in protein synthesis?
RNA processing occurs after transcription but before translation, and it removes introns
Which of the following processes involves the removal of introns from the initial RNA transcript?
RNA processing
In the process of transcription, which of the following is involved in the initiation step?
RNA polymerase
Which technique is commonly used to amplify specific DNA sequences?
Polymerase Chain Reaction (PCR)
During translation, which of the following molecules carries the amino acid to the ribosome?
tRNA
What is the role of restriction enzymes in molecular biology?
Cutting DNA at specific recognition sequences
Which of the following processes occurs in the nucleus of eukaryotic cells?
Both B and C
Which of the following is NOT a step involved in the process of transcription?
Formation of a polypeptide chain
Which of the following techniques is used to amplify a specific region of DNA?
Polymerase chain reaction (PCR)
What are the molecular scissors referred to in the context of DNA manipulation?
Restriction enzymes
What is the term used to describe the combination of DNA from two different sources into a single cell?
Recombinant DNA technology
Which of the following statements about introns is correct?
Introns are non-coding regions of DNA that are removed during RNA processing.
What is the primary function of RNA polymerase in the context of gene expression?
To synthesize RNA from a DNA template
Test your knowledge of RNA and DNA synthesis with this quiz. Questions cover topics such as transcription, replication, RNA processing, and more. Choose the correct term for each process or scenario provided.
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