Nucleic Acids Worksheet
Grade 11 Biology worksheet covering the structure, function, and types of nucleic acids (DNA and RNA).
Includes
Standards
Topics
Nucleic Acids: The Molecules of Life
Name:
Date:
Score:
Read each question carefully and provide your best answer. For multiple-choice questions, circle the correct option. For fill-in-the-blank and short-answer questions, write your response in the space provided.
1. Which of the following is NOT a component of a nucleotide?
Phosphate group
Pentose sugar
Amino acid
Nitrogenous base
2. Which type of bond connects complementary base pairs in a DNA molecule?
Covalent bond
Ionic bond
Hydrogen bond
Peptide bond
3. The two main types of nucleic acids are and .
4. In DNA, adenine always pairs with , and guanine always pairs with .
5. RNA differs from DNA in that it contains the sugar and the nitrogenous base instead of thymine.
6. Describe the primary function of DNA in living organisms.
7. Briefly explain the 'central dogma' of molecular biology.
8. Label the following components of the DNA double helix:
A:
B:
C:
D:
9. All RNA molecules are double-stranded.
True
False
10. The sugar in DNA is deoxyribose.
True
False
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