What is the shape of the DNA molecule?

Exploring the Chemical Components of DNA

Interactive Video
•
Biology
•
6th - 10th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Double helix
Triple helix
Single helix
Quadruple helix
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the building blocks of DNA strands called?
Nucleotides
Fatty acids
Monosaccharides
Amino acids
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are the two strands of DNA arranged?
Parallel
Antiparallel
Random
Perpendicular
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What forms the backbone of each DNA strand?
Proteins
Nitrogenous bases
Deoxyribose sugar molecules
Amino acids
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of bond links nucleotides together in a DNA strand?
Ionic bonds
Covalent bonds
Hydrogen bonds
Phosphodiester bonds
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of a phosphate group in DNA?
Neutral
Positive
Variable
Negative
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which direction do enzymes add nucleotides during DNA replication?
3’ to 5’
5’ to 3’
Both directions
Random
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