BIO311C 1nd Edition Lecture 8 Outline of Last Lecture - Sources of fat- Phospholipids structure Outline of Current Lecture Nucleotides - DNA - RNA Current LectureRNA controls all gene expression Nucleotides:o Nitrogen base + sugar molecule + phosphate group o 5th carbon – phosphate groupo 3rd carbon – hydroxyl group for condensation reactionPhosphodiester linkage: Link between the 3rd carbon of one to the phosphate group of the other carbonNucleoside: base + sugarNucleotide: entire molecule RNA: o Single strandedo 5i to 3i o Doesn’t have thymine o Polar and charged molecule DNA:These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.o Directional molecule o Double stranded o H-bonds hold the two strands together o Read in 5i to 3i direction o Complimentary and identical strands are two different thingso DNA odes for itself and the proteins DNA – RNA – Amino
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