DNA Review Question #1 What are the “sides” of the DNA chain made of? Phosphate Sugar ______ and _______ QuickTime™ and a decompressor are needed to see this picture. Question #2 What is copied during replication in interphase? DNA Question 3 DNA’s structure is often described Helix as a double _______ or a twisted Ladder _______ Question 4 What does DNA stand for? Deoxyribonucleic Acid Question 5 What is the smallest piece of DNA called? QuickTime™ and a decompressor are needed to see this picture. Nucleotide Question 6 How many PAIRS of chromosomes do humans have? 23 pairs 46 total chromosomes Remember a pair is 2. So 23 x2 = 46. Question 7 A change or mistake in DNA is called a? Mutation Question 8 Cancer can spread when cells break off a tumor and are carried through the body by the Bloodstream _________ Question 9 Nucleotides three parts? are made up of what Phosphate, Sugar and a Nitrogen Base QuickTime™ and a decompressor are needed to see this picture. Question 10 What is this chromosome made of? DNA QuickTime™ and a decompressor are needed to see this picture. Question 11 During DNA replication, Adenine Thymine always pairs with _________ Question 12 During DNA replication, Cytosine Guanine always pairs with _______ Question 13 DNA can be found All in ______ of our cells. Question 14 Our characteristics are Genes by our determined ______ Question 15 What would the complementary strand of DNA look like? GTCAATCGACT CAGTTAGCTGA Question 16 Determine Original the type of DNA mutation. DNA ATGCATGCAT TACGTACGTA Mutated DNA ATGCATACAT TACGTATGTA Substitution Question 17 Determine the type of DNA mutation. Original DNA ATGCATGCAT TACGTACGTA Mutated DNA ATGCATGCATG TACGTACGTAC Insertion (a base pair was added) Question 18 Determine the type of DNA mutation. Original DNA: ATGCATGCAT TACGTACGTA Mutated DNA: ATGCATGCA TACGTACGT Deletion (a base pair is missing) Question 19 Cancer is a disease in which cells Grow Divide ________ and ________ uncontrollably. Question 20 To be copied DNA splits down the Middle _________ QuickTime™ and a decompressor are needed to see this picture.