DNA Structure Flashcards
What does DNA stand for?
deoxyribose nucleic acid
What does RNA stand for?
ribonucleic acid
What is the building block of DNA?
dNTP
What are nucleotides built from?
sugar
aromatic, nitrogenous base
1-3 phosphate groups
What are G and A derived from and what is the general structure?
purines, double ring structure
What are T and C derived from and what is the general structure?
pyrimidines, single ring structure
What is a nucleoside?
sugar with a nitrogenous base
What is the backbone of DNA?
sugar and phosphate portion
What bond links nucleotides to form a polynucleotide?
phosphodiester bond
What is the Watson-Crick model?
cellular DNA is a right-handed double helix held together by hydrogen bonds between bases
What is the Watson-Crick model?
cellular DNA is a right-handed double helix held together by hydrogen bonds between bases
What bases hydrogen bond together and how many bonds do they form?
A and T = two hydrogen bonds
C and G = three hydrogen bonds
What is annealing/hybridization?
the binding of two complementary strands of DNA
What is melting/denaturation?
separation of complementary strands of DNA
What is a genome?
sum total of an organisms genetic information
