Exploring the Structure of DNA

Quiz
•
Biology
•
9th Grade
•
Hard
Standards-aligned
Binh Hoang
Used 3+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the basic structural unit of DNA?
Amino acid
Nucleotide
Protein
Lipid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following components is NOT part of a nucleotide of DNA?
Phosphate group
Ribose sugar
Nitrogenous base
Deoxyribose sugar
Tags
NGSS.HS-LS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the shape of the DNA molecule.
Single helix
Double helix
Triple helix
Linear strand
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which nitrogenous base pairs with adenine in DNA?
Cytosine
Guanine
Thymine
Uracil
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain why the double helix structure of DNA is important for its function.
It allows DNA to be easily replicated.
It makes DNA more stable.
It enables DNA to store genetic information efficiently.
All of the above
Tags
NGSS.HS-LS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the sugar component found in the backbone of DNA.
Ribose
Glucose
Deoxyribose
Fructose
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do the base pairing rules contribute to the DNA replication process?
They ensure that each new DNA molecule is identical to the original.
They allow for the formation of RNA.
They prevent mutations from occurring.
They help in protein synthesis.
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