NEW 2025 EXAM - IB Biology A1.2 - Nucleic Acids [AHL] - Interactive Lecture
Elec2ric Learning・2 minutes read
Nucleic acid molecules like DNA and RNA have specific orientations crucial for building accurately, with distinct ends affecting nucleotide attachment. Eukaryotic DNA is structured into nucleosomes, confirmed as genetic material in the 1950s through experiments by Alfred Hershey and Martha Chase.
Insights
- The distinct orientation of nucleotides in DNA and RNA, with phosphate linked to sugar in a repeating pattern, is crucial for accurate molecule construction.
- Alfred Hershey and Martha Chase's experiment in the 1950s confirmed DNA as genetic material, disproving the tetranucleotide hypothesis and establishing DNA's structure based on base pairing rules.
Get key ideas from YouTube videos. It’s free
Recent questions
What is the difference between DNA and RNA?
DNA is double-stranded, RNA is single-stranded.
How are nucleotides arranged in DNA and RNA?
Nucleotides are arranged in a repeating pattern.
What is the significance of nucleosomes in DNA structure?
Nucleosomes consist of histone proteins around which DNA wraps.
How was DNA confirmed as genetic material in the 1950s?
DNA was confirmed through an experiment by Hershey and Chase.
What are the distinct ends of DNA and RNA?
DNA has five Prime Terminal and three Prime Terminal ends.
Related videos
Elec2ric Learning
NEW 2025 EXAM - IB Biology A1.2 - Nucleic Acids [SL/HL] - Interactive Lecture
Nucleus Biology
DNA and RNA - Overview of DNA and RNA
MEDSimplified
DNA- Structure and function of Deoxyribonucleic Acid (DNA)
Parth Momaya
Heredity and Evolution | Lecture 0 - Basic Concepts | Maharashtra State Board
RicochetScience
Nucleic Acids