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Questions and Answers
In the central dogma, the RNA-to-protein step is termed ____________.
In the central dogma, the RNA-to-protein step is termed ____________.
translation
The central dogma describes which of the following? (Select all that apply)
The central dogma describes which of the following? (Select all that apply)
- Information flow as DNA to RNA to protein (correct)
- Information flow as RNA to DNA to protein
- Information flow as protein to DNA to RNA
- Information flow as DNA to protein to RNA
What is the name of the process that makes an RNA copy of DNA?
What is the name of the process that makes an RNA copy of DNA?
- Transcription (correct)
- Replication
- Reverse transcription
- Translation
In transcription, the DNA strand that is copied is called which of the following?
In transcription, the DNA strand that is copied is called which of the following?
In transcription, which DNA strand has a sequence that is identical to the produced RNA (except that U in RNA is T in DNA)?
In transcription, which DNA strand has a sequence that is identical to the produced RNA (except that U in RNA is T in DNA)?
Which of the following refers to the RNA-to-protein step in the expression of genes?
Which of the following refers to the RNA-to-protein step in the expression of genes?
What process involves the synthesis of a protein, and takes place on the ribosome?
What process involves the synthesis of a protein, and takes place on the ribosome?
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Study Notes
Central Dogma of Molecular Biology
- The central dogma outlines the flow of genetic information: DNA → RNA → Protein.
- The RNA-to-protein step in this process is known as translation.
- The process of creating an RNA copy of DNA is referred to as transcription.
Transcription Process
- During transcription, the DNA strand that is copied is called the template strand.
- The strand of DNA that has a sequence identical to the synthesized RNA, except for the base differences (U in RNA vs T in DNA), is known as the sense strand.
Translation Process
- Translation is the stage where RNA is used to synthesize proteins, occurring on ribosomes.
- Adept understanding of translation is crucial for grasping how genes are expressed into functional proteins.
Additional Concepts
- Replication is a separate process that duplicates DNA, ensuring genetic information is passed during cell division.
- The role of ribosomes in translation emphasizes the importance of cellular machinery in protein synthesis and genetic expression.
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