Khan Academy: Molecular Genetics: Antiparallel Structure of Dna Strands

Learn the basics of the structure of DNA strands in this video. [9:56]

Learn about the antiparallel structure of DNA strands which can by 5 feet to 3 feet directionality. [9:57]

Learn the basics of the interaction of the side chains in the tertiary structures of proteins in this video. Video reviews the different orders of proteins too. [7:28]

DNA is composed of two strands of nucleotides held together by hydrogen bonding. The strands each run from 5' to 3' and run in antiparallel, or opposite, directions from one another. [9:57]

Explore the molecular structure of DNA in this article. Learn about the components of DNA: nucleotide, nitrogenous base, and phosphate.

Learn the molecular structure of DNA including the nucleotide, nitrogenous base, and phosphate. [13:00]

Discover the molecular structure of DNA: nucleotide, nitrogenous base, and phosphate. [13:00]

Look at the molecular structure of DNA. Investigate nucleotides, nitrogenous bases, and phosphates. [13:00]

Find out how the double helix structure of DNA was discovered. See the work of Watson, Crick, Franklin, Wilkins, and Chargaff. [8:56]

Read the passage and study the graphics concerning Melting Point and Thermodynamics of Double-Stranded DNA and then answer the five question quiz.