GIZMO: Building DNA Questions and Answers 100% Pass

GIZMO: Building DNA Questions and Answers 100% Pass Look at the DNA molecule shown to the right. What does it look like? a twisted ladder Based on this picture, how do you think a DNA molecule makes a copy of itself? it splits and untwists What are the two DNA components shown in the Gizmo? nucleoside and phosphate How many different nitrogenous bases do you see? 4 (Adenine, Cytosine, Guanine, and Thymine) What makes up the sides of the DNA molecule? phosphates and sugar What makes up the rungs of the DNA molecule? nitrogenous bases Adenine joins to Thymine Cytosine joins to Guanine Thymine joins to Adenine Guanine joins to Cytosine An eznyme is a protein that facilitates certain cell processes. Click release enzyme to release DNA helicase. What does this enzyme do to the DNA molecule? It splits it in half What are the three parts of a nucleotide? phosphate, sugar and nitrogenous base Why is DNA replication such a important process? Because a cell cannotgrow and reproduce (or divide) unless DNA has been replicated. chromatin