Genetic Information Transfer Quiz

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Questions and Answers

What are the four nucleotide residues that make up the structure of RNA?

  • Adenine, Cytosine, Guanine, and Uracil (correct)
  • Alanine, Glutamic acid, Isoleucine, and Tyrosine
  • Adenine, Cytosine, Guanine, and Thymine
  • Arginine, Cysteine, Glycine, and Tryptophan

Which of the following is a key difference between DNA and RNA structure?

  • DNA contains 20 different amino acids, while RNA contains only 4 nucleotides
  • DNA is found in the nucleus, while RNA is found in the cytoplasm
  • DNA uses Uracil, while RNA uses Thymine
  • DNA has a double-helix structure, while RNA has a single-stranded structure (correct)

How many different amino acids are used to construct proteins in humans?

  • 100
  • 20 (correct)
  • 10
  • 4

What is the term used to describe an organism's complete set of DNA?

<p>Genome (A)</p> Signup and view all the answers

Which of the following best describes the central dogma of molecular biology?

<p>DNA is transcribed into RNA, which is then translated into proteins (C)</p> Signup and view all the answers

How many distinct pairs of chromosomes does the human genome contain?

<p>46 (D)</p> Signup and view all the answers

What is the process that transfers genetic information from DNA to RNA?

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

Which process involves transforming RNA into proteins based on the genetic code?

<p>Translation (D)</p> Signup and view all the answers

Where is the information for making proteins stored?

<p>Central Dogma (C)</p> Signup and view all the answers

Which region contains microRNAs and transcription factor binding sites?

<p>Intergenic region (C)</p> Signup and view all the answers

What is the process of converting DNA to protein through transcription and translation?

<p>Central Dogma (B)</p> Signup and view all the answers

In which process is RNA transformed into protein?

<p>(RNA→protein) translation (A)</p> Signup and view all the answers

Which RNA polymerase transcribes protein-coding genes?

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

What is the role of the 5' cap in eukaryotic mRNA processing?

<p>All of the above (D)</p> Signup and view all the answers

Which component of the translation machinery is responsible for decoding the mRNA codons?

<p>tRNA (A)</p> Signup and view all the answers

What is the primary function of aminoacyl-tRNA synthetases?

<p>To charge tRNA molecules with their corresponding amino acids (A)</p> Signup and view all the answers

In which direction is the mRNA template read during translation?

<p>5' to 3' (D)</p> Signup and view all the answers

What is the primary function of transfer RNA (tRNA) in translation?

<p>To transport specific amino acids to the ribosome (D)</p> Signup and view all the answers

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