BSC 108 Exam 3 Questions with 100% Verified Correct Answers

BSC 108 Exam 3 Questions with 100% Verified Correct Answers DNA is composed of ____ subunits. - Correct Answer Nucleotide DNA has a ____ backbone covalently bonded to _____-containing bases - Correct Answer Sugar-phosphate Nitrogen A DNA molecule contains how many strands of DNA? These strands form what? This means that they are _____. - Correct Answer 2 A double helix Complementary What are the nitrogen-containing bases? - Correct Answer Adenine Guanine Thymine Cytosine The nitrogen-containing bases of the two strands are held to each other by ____ - Correct Answer Hydrogen bonds Adenine always pairs with _____ - Correct Answer Thymine Cytosine always pairs with _____ - Correct Answer Guanine How does a molecule of DNA replicate? - Correct Answer One parent molecule that has two complementary strands separates Each strand is used as a template to make a new strand Each of the two daughter molecules will be composed of one "old" (parent) strand and one "new" strand The two parent strands separate at the ____ - Correct Answer Origin of replication