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WorksheetsDNA Structure and Function
Total questions: 10
Worksheet time: 7mins
What is the structure of the DNA molecule?
Single Helix
Helix
Strand
Double Helix
Name the enzyme that breaks the hydrogen bonds holding the two DNA strands together during DNA replication?
(a)
The "backbone" of the DNA molecule consists of what molecule(s)? (SELECT ALL THAT APPLY)
Phosphate
Deoxyribose
Sugar
Nitrogen
A deoxyribose sugar, phosphate group, and a nitrogen-containing base (A,C,T,G) make up a (a) , the monomer of DNA.
(a) are the monomers of the DNA molecule.
In the process of DNA replication, bonds are broken between:
Sugars
Bases
Ribosomes
Adenine
DNA (a) is the process in which a cell’s entire DNA is copied.
There are _____ hydrogen bonds between cytosine and guanine.
3
1
2
4
A double ring structure is found in which of the following bases?
Guanine
Cytosine
Thymine
In a DNA molecule, the complementary strands are joined at the nucleotides by hydrogen bonds between what?
Sugars
Phosphates
Nitrogen Containing Bases
Salt
