CH 1: RNA: Location, Structure, and Function

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Questions and Answers

Where is mRNA formed?

  • Ribosomes
  • Endoplasmic Reticulum
  • Nucleus (correct)
  • Cytoplasm

Which type of RNA is involved in transporting amino acids to the ribosome?

  • mRNA
  • tRNA (correct)
  • rRNA
  • snRNA

What is the function of rRNA in the cell?

  • Facilitate protein synthesis (correct)
  • Transport amino acids
  • Store genetic information
  • Regulate cell division

Which nitrogenous base is unique to RNA and not found in DNA?

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

What forms the structural framework of an RNA molecule?

<p>Sugar-phosphate backbone (C)</p> Signup and view all the answers

What is the function of tRNA in the cell?

<p>Transporting amino acids to the ribosome during protein synthesis (C)</p> Signup and view all the answers

Where is rRNA primarily located within a cell?

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

Which nitrogenous base is NOT found in RNA?

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

What is the primary role of mRNA in protein synthesis?

<p>Carrying the genetic code from DNA to the cytoplasm (B)</p> Signup and view all the answers

Which of the following is NOT a type of RNA present in the cell?

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

What distinguishes RNA from DNA in terms of structure?

<p>'Uracil as a nitrogenous base (D)</p> Signup and view all the answers

Which component forms the structural framework of an RNA molecule?

<p>'Sugar-phosphate backbone (A)</p> Signup and view all the answers

In what cellular location does tRNA function primarily?

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

Which RNA molecule is directly involved in assembling amino acids into proteins?

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

What is the main function of tRNA in protein synthesis?

<p>Attaching amino acids to the ribosome (A)</p> Signup and view all the answers

Which nitrogenous base is exclusively found in RNA and not in DNA?

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

What is the primary location where rRNA plays a critical role?

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

What distinguishes the structure of RNA from DNA?

<p>DNA has uracil as a nitrogenous base (C)</p> Signup and view all the answers

Where are mRNA molecules formed?

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

Which cellular structure is directly involved in assembling amino acids into proteins?

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

What is the primary role of rRNA in protein synthesis?

<p>Forming the peptide bond between amino acids (D)</p> Signup and view all the answers

What is the primary function of rRNA within a cell?

<p>Serving as a structural component of the ribosome (D)</p> Signup and view all the answers

Which nitrogenous base is NOT found in RNA?

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

What differentiates the structure of RNA from DNA?

<p>Presence of ribose sugar (D)</p> Signup and view all the answers

Where is tRNA primarily located within the cell?

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

What forms the backbone of an RNA molecule's structure?

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

Which nitrogenous base is exclusively found in RNA and not in DNA?

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

What does tRNA do during protein synthesis?

<p>Delivers amino acids to the ribosome (A)</p> Signup and view all the answers

Which type of RNA directly attaches to ribosomes during protein synthesis?

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

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