Name:____________________________________________________Date:_________Hour:____
DNA Quiz #1
Instructions: Write in the names of the missing substances in the diagram. Then answer the questions under the
diagram.
P = Phosphate
S = Sugar
WORD BANK: Some words may be used twice
Helix
Guanine
Phosphate
Thymine
Unzipping DNA
Hydrogen
Nitrogen base
Cytosine
Nucleotides
Double
Deoxyribose sugar
Proteins
Adenine
DNA Replication
1. What does DNA stand for? Spelling counts_________________________________________
2. The message of the DNA code is information for building _____________________________
3. What are the subunits (building blocks) of DNA? ____________________________________
4. What are the 3 parts of those subunits? ___________________________________________
5. Describe the shape of DNA in two words. _________________________________________
6. What 2 molecules make up the backbone of DNA?___________________________________
7. What bonds hold the 2 strand together? ______________________________
8. What are the 4 nitrogenous bases? _________________________________________
9. The process of _____________________________________ produces a new copy of an
organism’s genetic information (DNA) which is passed on to a new cell.
10. Arrange the following in order from largest to smallest:
Chromosome, nucleus, cell, DNA, nucleotide
___________________________________________________________________