module 2•3 - nucleic acids Flashcards
1
Q
shape of DNA
A
double helix
2
Q
molecule consisting of a five carbon sugar, a phosphate group and nitrogenous base
A
nucleotide
3
Q
shape due to coiling of the two sugar phosphate backbone strands into a right handed spiral configuration
A
double helix
4
Q
large molecule containing many nucleotides
A
polynucleotide
5
Q
enzyme that catalyses the formation of DNA from activated deoxyribose nucleotides
A
DNA polymerase
6
Q
enzyme that catalyses the breaking of hydrogen bonds between pairs of bases in DNA
A
helicase
7
Q
A
8
Q
the type of bonds that join nucleotides togethrr in a polunucleotides
A
phosphodiester
9
Q
the part of nucleotides joined by a phosphodiester bond
A
phosphate group of one and pentise sugar of another
