Biology Chapter 1: Nucleosides, Nucleotides, and Nucleic Acids

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

What is the prefix used to form the name of a deoxyribonucleoside?

  • Deoxyribo
  • Ribose
  • Ribonuclotide
  • Deoxy (correct)

What is the function of ATP in the living cell?

  • Storage of genetic information
  • Transmission of genetic information
  • Replication of DNA
  • Fundamental energy source (correct)

What is the primary function of nucleic acids in a cell?

  • Synthesizing carbohydrates and lipids
  • Regulating cell growth and division
  • Storing genetic information (correct)
  • Directing biosynthesis of enzymes and proteins

What is the bond that connects a purine or pyrimidine base to a ribose or deoxyribose in a nucleoside?

<p>β-N glycosidic bond (B)</p> Signup and view all the answers

What is the name of the nucleotide that is an anhydride of phosphoric acid?

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

What is the nucleotide that serves as one of the nature oxidizing agents?

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

What is the difference between the sugar component in RNA and DNA?

<p>RNA has ribose and DNA has 2-deoxyribose (A)</p> Signup and view all the answers

Which of the following bases is NOT found in RNA?

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

What is the nucleoside that corresponds to the base Uracil (U)?

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

What is the bond that connects nucleotides to form a nucleic acid?

<p>Phosphate ester bond (C)</p> Signup and view all the answers

What is the polymer formed by nucleotides, responsible for the storage and transmission of genetic information?

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

What is the term for the prefix indicating that oxygen is missing from the 2' position of ribose?

<p>2-deoxy (C)</p> Signup and view all the answers

What type of bond joins nitrogenous bases to pentoses in nucleic acids?

<p>O-glycosidic bond (D)</p> Signup and view all the answers

What type of bond links adjacent nucleotides in RNA and DNA?

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

What is the correct base-pairing rule for cytosine in a double-stranded nucleic acid?

<p>Cytosine pairs with guanine (B)</p> Signup and view all the answers

What is the correct statement about the tautomeric forms of bases such as uracil?

<p>The lactam form predominates at neutral pH (A)</p> Signup and view all the answers

What is the correct statement about the structure of the oligoribonucleotide pACGUAC?

<p>The nucleotide at the 3' end has a phosphate at its 3' hydroxyl (A)</p> Signup and view all the answers

What is one of Chargaff's rules about the composition of typical DNA?

<p>A + T = G + C (D)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Week 8: Nucleotides and Nucleic Acids
30 questions
Nucleic Acids: DNA and RNA Structure
10 questions
Nucleic Acids and RNA Transcription
6 questions
Use Quizgecko on...
Browser
Browser