Experiment 8 Flashcards
Polymers of nucleotides
Nucleic Acid
Nucleotide comprises a ____ , a ____ , and a ____ group
nitrogenous base ; pentose ; phosphate
The ___ is bonded to the pentose via ____ at carbon 1
Nitrogenouse base ; N-glycosidic bond
The ___ is bonded to the pentose via ____ through the ____ at carbon 3 and 5
Phosphate ; ester bond ; -OH group
Individual nucleotides are bound with ___ between carbons ___ and ___
phosphodiester bonds ; 3 ; 5
Nucleic Acids can be ___ and ___
Deoxyribonucleic acids (DNA) ; Ribonucleic acid (RNA)
Structurally, in nucleic acid, DNA differs from RNA because DNA is ____ , which RNA is ____
double-stranded ; single stranded
The nitrogenous bases can be bicyclic ____ , specifically ___ and ___ ;
or monocyclic ____, like ____ (For DNA only), ____ and ___ (For RNA only)
purines ; adenine ; guanine ;
pyrimidines ; thymine ; cytosine ; uracil
The pentose can be ___ and ___
ribose ; deoxyribose
DNA contains ____
deoxyribose
RNA contains ____
ribose
From its name, nucleic acids have ____
acidic character
The acidity of nucleic acids is caused by the ____ , each contains ____ capable of ___
phosphate residues ; H+ ; dissociation
Nucleic acids are ___ - carrier of many negative charges, and makes them capable of interacting with ___ , particularly with _____ (histones) - which are carrier of positive charges
polyAnIons ‘ polyCatIons ; alkaline proteins
RNA, like all nucleic acids, is a ____
polyanion
