WorksheetsDNA
Total questions: 5
Worksheet time: 3mins
Ribose and deoxyribose are
nucleotides
disaccharides
pentose sugar
nitrogenous bases
The double helix structure of DNA is held together by
ionic bonds
peptide bonds
hydrogen bonds
phosphodiester bond
The double helix structure of DNA is maintained by the bond formed between
a sugar and a phosphate group
a sugar and a nitrogenous group
a purine base and a pyrimidine base
the same groups of nitrogenous base
Which of the following statements are not correct
nitrogenous bases in DNA are A, T,C,G while in RNA A,U,C,G
DNA only has one type while RNA has 3 types
DNA consists of 2 polynucleotide strands while RNA consists of a single polynucleotide strand
deoxyribose as pentose sugar in RNA while ribose as pentose sugar in DNA
The backbone of a nucleic acid molecule is made of
purines
pyrimidines
nitrogenous bases
alternating sugar and phasphate groups
