NCF-Medical Technology Program: Central Dogma of Molecular Biology Lesson 2 Quiz

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Questions and Answers

What is the function of DNA according to Crick's 'Sequence Hypothesis'?

  • Serve as a template for RNA synthesis
  • Function as a reverse transcriptase enzyme
  • Store genetic information (correct)
  • Directly control the synthesis of proteins

In the central dogma of molecular biology, which process involves the synthesis of RNA from DNA?

  • Replication
  • Transcription (correct)
  • Translation
  • Reverse transcription

What serves as the template for protein synthesis during gene expression?

  • rRNA
  • tRNA
  • DNA polymerase
  • mRNA (correct)

What is the result of DNA replication?

<p>Formation of two double-stranded DNA molecules (B)</p> Signup and view all the answers

Which enzyme is involved in the synthesis of DNA by copying existing DNA?

<p>DNA polymerase (C)</p> Signup and view all the answers

What characterizes retroviruses based on the text?

<p>Contain RNA as their genetic material (A)</p> Signup and view all the answers

What is the main focus of the central dogma of molecular biology?

<p>Transfer of information from DNA to proteins (B)</p> Signup and view all the answers

According to Francis Crick, why was the flow of genetic information termed the 'central dogma'?

<p>Due to the authoritative nature of the process (C)</p> Signup and view all the answers

What does the central dogma state regarding the transfer of information?

<p>Information cannot be transferred from protein to either protein or nucleic acid (A)</p> Signup and view all the answers

Which molecules are involved in the initiation of replication, transcription, and elongation according to the learning outcomes?

<p>DNA and RNA polymerases (B)</p> Signup and view all the answers

What is the central point of view presented authoritatively by the central dogma?

<p>'Transfer of sequential information' (A)</p> Signup and view all the answers

Why did Francis Crick title the sequence of events from DNA to proteins as the 'central dogma'?

<p>To signify it as a fundamental principle in molecular biology (B)</p> Signup and view all the answers

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