1. A nucleotide is made of three parts: a phosphate group, a five carbon sugar, and a nitrogen containing base.
2. The sides of the DNA ladder consist of alternating sugars and phosphates.
3. The 5' end of a single DNA strand contains a free phosphate, while the 3' end contains a free hydroxyl.
4. Chromosomes consist of DNA wrapped around histones.
5. DNA was not thought to be the genetic blueprint originally; instead many scientists had believed proteins contained the genetic code and blueprint of life. (They were wrong.)
6. Purines have two rings, and pyrimidines have one ring.
7. Check each of the following statements that are true with regard to Griffith’s experiment
a. True Griffith discovered transformation in bacteria.
b. True Mice injected with smooth bacteria quickly became sick and died.
c. False Encapsulated bacteria can become “naked” bacteria.
Parent Tip: Review the logic above to help your child master the concept of what is dna worksheet.
