Nucleic Acids Worksheet
A Grade 10 Science worksheet focusing on the structure, function, and types of nucleic acids, including DNA and RNA.
Includes
Standards
Topics
Nucleic Acids: The Molecules of Life
Name:
Date:
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Read each question carefully and provide the best answer based on your knowledge of nucleic acids.
1. Which of the following is NOT a component of a nucleotide?
Phosphate group
Pentose sugar
Amino acid
Nitrogenous base
2. The process by which DNA makes a copy of itself is called:
Transcription
Translation
Replication
Mutation
3. DNA stands for acid.
4. The two strands of DNA are held together by bonds between the nitrogenous bases.
5. In RNA, the base replaces thymine.
6. RNA is typically a double-stranded molecule.
True
False
7. The sugar in DNA is deoxyribose.
True
False
8. Describe the main function of DNA in living organisms.
9. Label the components of the DNA double helix shown below:
A:
B:
C:
Match the nucleic acid with its characteristic.
10. DNA
a. Contains uracil
11. mRNA
b. Carries genetic information from nucleus to ribosome
12. tRNA
c. Transfers amino acids to the ribosome
13. rRNA
d. Forms the structural component of ribosomes
14. Briefly explain two key differences between DNA and RNA.