WorksheetsDNA Structure and History
Total questions: 15
Worksheet time: 8mins
DNA stands for
Deoxyribonucleic Acid
Ribonucleic acid
Hydrofluoric acid
Lysergic acid
What is the shape of DNA?
three oligonucleotides wind around each other and form a triple helix
Two strands coiled called in a double helix
a spiral on a conic surface, with the distance to the apex an exponential function of the angle indicating direction from the axis.
a curve in three-dimensional space.
Adenine always pairs with
Uracil
Guanine
Cytosine
Thymine
The sides of the DNA ladder are
hydrogen
deoxyribose
phosphate
purine
Guanine always pairs with
Urical
Cytosine
Adenine
Thymine
What is the complementary sequence:
C A T T A G
G T A C U G
G T A A T C
G T C C T A
T G C C G T
The two sides of DNA are held together by _______ bonds.
Hydrogen
Treasury
Covalent
Phosphate
DNA is composed of repeating sub-units called
phosphate group
nucleotides
nitrogenous base
5-carbon sugar
What are the 4 bases that make up the rungs of the DNA ladder?
adenine, guanine, thymine, cytosine
xanthine, cafeine, cytarabine, gemcitabine,
hypoxanthine, theobromine, fluorouracil, paclitaxel
adenine, guanine, cytosine, urical
DNA is the instructions for your traits, how are those instructions carried in DNA?
The code created by the Nitrogen bases
The code found in the arrangement of the Sugars
The code created by the phosphate order
The code found in the shape of the molecule
