Nucleic Acids and Nucleotides: DNA and RNA
16 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the chemical basis of heredity?

  • Ribonucleic acid
  • DNA (correct)
  • Deoxyribonucleotides
  • RNA

Who discovered DNA in 1869?

  • Johann Friedrich Miescher (correct)
  • Avery
  • MacLeod
  • MacCary

What is the primary function of nucleic acids?

  • Synthesize proteins in the cell
  • Control every cellular function
  • Serve as repositories and transmitters of genetic information (correct)
  • Maintain the identity of different species

What are genes?

<p>Fundamental units of genetic information (B)</p> Signup and view all the answers

What is the central dogma of molecular biology?

<p>DNA controls the synthesis of RNA and proteins. (A)</p> Signup and view all the answers

Who first demonstrated that DNA contained genetic information?

<p>Avery, Macleod, and MacCary (D)</p> Signup and view all the answers

What holds the DNA molecules together in a double helix structure?

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

Which nitrogenous base is found in both DNA and RNA?

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

What differentiates DNA from RNA in terms of pyrimidine bases?

<p>DNA contains thymine and RNA contains cytosine. (A)</p> Signup and view all the answers

What is the term for the molecule's existence in keto and enol forms?

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

Which compound serves as the energy currency in cells?

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

What does a nucleoside refer to?

<p>Base + sugar (A)</p> Signup and view all the answers

Which type of compounds are the nitrogenous bases found in nucleotides?

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

What are the major purines found in DNA and RNA?

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

What is the correct order of nucleotide components?

<p>Nucleobase, sugar, phosphate. (B)</p> Signup and view all the answers

Which molecule controls the synthesis of RNA and proteins?

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

More Like This

Nucleic Acids and DNA/RNA
9 questions
Nucleic Acids: DNA and RNA Structure
10 questions
Use Quizgecko on...
Browser
Browser