DNA Structure and Function

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Questions and Answers

Which protein structure involves the sequence of amino acids in a polypeptide chain?

  • Secondary Protein Structure
  • Primary Protein Structure (correct)
  • Quaternary Protein Structure
  • Tertiary Protein Structure

Which type of RNA is responsible for transferring amino acids during protein synthesis?

  • snRNA
  • mRNA
  • tRNA (correct)
  • rRNA

What is the function of collagen in the context of proteins?

  • Moves ions across cell membranes
  • Provides structural support for tendons and bones (correct)
  • Forms a hollow shell for iron storage
  • Begins the breakdown of carbohydrates

Which end of a DNA strand is considered the start site?

<p>5' terminus (D)</p> Signup and view all the answers

In a DNA sequence, what does the 3' end correspond to in the complementary strand?

<p>5' end (A)</p> Signup and view all the answers

What does it mean when DNA strands are said to be anti-parallel?

<p>The 3' end of one strand aligns with the 5' end of the other strand. (D)</p> Signup and view all the answers

What is the significance of a DNA sequence being represented as if it were single-stranded?

<p>It helps in visualizing palindromes in DNA sequences. (D)</p> Signup and view all the answers

What is the main function of RNA in the context of bioinformatics?

<p>Acting as the intermediary agent between DNA and proteins (A)</p> Signup and view all the answers

How does DNA save space in a cell through its structure?

<p>By coiling around specific proteins to form nucleosomes (D)</p> Signup and view all the answers

What distinguishes RNA from DNA in terms of their structure?

<p>The number of strands (RNA is single-stranded, DNA is double-stranded) (B)</p> Signup and view all the answers

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