7 Must-Know Parts of DNA Structure

Ready to label DNA Structure? In this video, we'll cover the key structures that make up a DNA molecule, so that you can recognize the parts and understand the terms.

*We'll label:*
Nucleotides
Pentose sugar [deoxyribose]
Phosphate group
Nitrogenous base [Purine and Pyrimidine]
5' and 3' ends
Hydrogen bonds
Phosphodiester bonds
...and explain what it means to be Complementary and Antiparallel.

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00:15 3 Parts of a Nucleotide [Sugar, Phosphate, Base]
00:48 Purine vs. Pyrimidine - how to remember? [Nitrogenous Bases]
01:37 5 Nitrogenous bases
01:47 Double Helix
02:17 Complementary Bases and Hydrogen Bonds
03:22 DNA is antiparallel (5' and 3' ends)
04:29 Phosphodiester bonds
05:15 Sugar-phosphate backbone
05:48 Recap!

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