* DNA AND GENES DNA DNA contains genes, sequences of nucleotide bases These Genes code for polypeptides (proteins) Proteins are used to build cells and do much of the work…

DNA vs. RNA 1 12-3 Protein Synthesis 1 2 DNA vs. RNA Double stranded Sugar = deoxyribose Thymine (no Uracil) Stays in nucleus One type Same copy in the cell all the time…

Slide 1 What organic molecule is DNA? Nucleic Acid Nucleic Acid An organic molecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus Examples: DNA ???? RNA What…

* Human chromosomes: 50->250 million base pairs. Average gene: 3000 base pairs. What is a Gene? Short stretch of DNA on chromosome. Two parts: Information in genes used…

* Human chromosomes: 50->250 million base pairs. Average gene: 3000 base pairs. What is a Gene? Short stretch of DNA on chromosome. Two parts: Information in genes used…

Structure of DNA Structure of DNA DNA is made up of a long chain of nucleotides Each nucleotide has three parts A phosphate group A deoxyribose sugar A nitrogen-containing…