Do Now:
To Be Completed:
Cell structure review due Sunday
Today’s Lesson:
Go over Traits and Organisms Quiz
Go over Duckster DNA
Unit Notes: DNA and Genes
DNA
deoxyribonucleic acid
herditary molecule in cell nucleus
stores information for cell function and traits or organism
Four Letters
Info is stored in four different nucleotides called bases
each has one of four letters
These form “base pairs”
A pairs with T
C pairs with G
DNA structure
Molecule looks like a twisted ladder
Side made of phosphate-deoxyribose backbone
rungs made of base pairs
twisted shape called “double helix”
Time to work on Cell structure review
