DNA Base Pairs — Overview & Structure
Read this topicExplanations 5
- Complementary Pairing DNA is made up of chains of nucleotides. Each nucleotide is made of a sugar, a phosphate group, and a nitrogenous base. There are four different nucleotide…
By Aaron Lauer, Alex Federspiel, Gabi Slizewska, Deena Hauze, Valeri Natole, Mario Janakis
- The Four Bases DNA has four nucleobases: adenine, thymine, guanine, and cytosine. The nucleobases in a DNA strand have preferred partners to form hydrogen bonds with. Cytosine p…
By Deena Hauze, Alex Federspiel, Gabi Slizewska, Valeri Natole, Mario Janakis
- Base Pairs The genetic code, or DNA sequence, is usually represented as a string of letters. There are only four available letters: A, T, C, and G. Each of these letters represe…
By Alex Falk, Deena Hauze, Mario Janakis, Gabi Slizewska
- (Video) DNA Structure by Teacher's Pet This video offers a short explanation of what DNA's four nitrogenous bases are and what rules they use to pair together when forming DNA's…
By Valeri Natole, Mario Janakis
- (Video) DNA: Complementary Base Pairing by Study.com On this episode of DNA & RNA, the defendant explains how the four nitrogenous bases of DNA (adenine, guanine, thymine, and c…
By Valeri Natole, Mario Janakis
Problems 20
- What are the four nucleobases of DNA?
- Given the DNA fragment TCAGGTC, what is the sequence on the other strand of the double helix?
- Which of the following statements about the nitrogenous bases is true?
- If a DNA molecule is replicated twice how many DNA molecules are present and how many of these molecules contain nucleotides from the original molecule?
- What type of bonds hold the DNA molecule in its double helix structure?
- How many hydrogen bonds form between thymine and adenine?
- How many hydrogen bonds form between guanine and cytosine?
- When DNA is heated, the double helix begins to unwind. Which of the bonded nitrogenous bases will dissociate first?
- What do Chargaff's rules state?
- Which DNA base bonds with adenine?
- Which DNA base binds to cytosine?
- Which base is only found in DNA?
- Which base is only found in RNA?
- What does T stand for when talking about DNA bases?
- What does the A stand for when talking about DNA bases?
- What does G stand for when talking about bases?
- What does the C stand for when talking about DNA bases?
- If a segment of DNA with the sequence AGTCAC is transcribed, what would be the sequence of the RNA transcript?
- Which characteristic of DNA allows it to serve as a template for its own replication and transcription?
- DNA bases bind in specific ways as demonstrated by the image above. Which base would bind to the purple base?