Crash Course DNA Structure and Replication Questions with Correct Answers

sun; 600 times - ANSWERSAll of your body's DNA stretched end-to-end would reach to the _______ and back over ______ times. nucleotides; gene - ANSWERSDNA is a polymer made out of subunits called _______________; as a result, a segment of DNA can be called a __________________ deoxyribose - ANSWERSThe sugar in DNA is __________________________ sugars; phosphates - ANSWERSThe 'sides' of the DNA 'ladder', or the 'main supports' are __________________ and ________________ molecules. upside-down - ANSWERSThe two sugar-phosphate backbones appear to be _____________________________ in relation to each other. Three - ANSWERSThe G-C bond has ___________ hydrogen bonds. Two - ANSWERSThe A-T bond has _____________ hydrogen bonds. 247 million - ANSWERSThere are approximately _______________________ base pairs on human chromosome 1. 6 billion - ANSWERSThere are approximately _________________ base pairs in every cell. 1. RNA is a single-stranded molecule - no double helix here. 2. The sugar in RNA is ribose which has one more oxygen atom than deoxyribose, hence the whole starting with an R instead of a D thing. And finally, RNA does not contain thymine. Its fourth nucleotide is the base uracil, so it bonds with adenine instead.