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WorksheetsDNA Structure and Function Quiz
Total questions: 15
Worksheet time: 10mins
Who took the x-ray crystallography image that led to the discovery of DNA’s structure?
Watson
Crick
Franklin
Chargaff
In what year did Watson and Crick publish their discovery of the structure of DNA?
1950
1952
1953
1961
DNA is located in the (a) of eukaryotic cells.
DNA is classified as what type of biomolecule?
Lipid
Protein
Nucleic Acid
Carbohydrate
What is the shape of the DNA molecule called?
Straight chain
Double helix
Single strand
Triple helix
One main function of DNA is to ___________.
DNA passes genetic information to __________.
new cells
bacteria
non-living things
viruses only
DNA provides instructions to cells for making __________.
sugars
proteins
fats
vitamins
What two components make up the "backbone" of the DNA structure?
Sugars and proteins
Nitrogen bases and sugars
Phosphates and deoxyribose sugars
Deoxyribose sugars and lipids
Nitrogen bases form the __________ of the DNA structure.
sides
backbone
center
top and bottom
The nitrogen bases in DNA are held together by __________ bonds.
covalent
ionic
hydrogen
metallic
How many different nitrogen bases exist in DNA?
2
3
4
6
According to base pairing rules, adenine (A) pairs with __________.
Cytosine (C)
Guanine (G)
Thymine (T)
Adenine (A)
Cytosine (C) pairs with __________ in DNA.
Guanine (G)
Thymine (T)
Adenine (A)
Cytosine (C)
According to Chargaff’s rule, the amount of adenine in a DNA molecule is equal to the amount of __________.
Guanine
Thymine
Cytosine
Uracil
