nucleic acids Flashcards
1
Q
Types of nucleic acids?
A
DNA
RNA
2
Q
What are the structural elements of nucleic acids?
A
base
sugar
phosphate group
nucleoside
nucleotide
3
Q
how are nucleotides linked together?
A
linked together by a phosphodiester bond to give a polynucleotide strand
4
Q
The DNA double helix consists of what?
A
two polynucleotide stands that are held together by complementary base pairing, and that run antiparallel to one another
5
Q
What is a nucleoside?
A
base + sugar
6
Q
what is a nucleotide?
A
base+sugar+phosphate group
7
Q
what are the functions of Nucleic acid?
A
information storage
information retrieval (gene expression)
energy currency
catalysis of some biochemical reactions (by ribozymes)