Ch. 4 - DNA, Chromosomes, and GenomesWorksheetSee all chapters
All Chapters
Ch. 1 - Overview of Cell Biology
Ch. 2 - Chemical Components of Cells
Ch. 3 - Energy
Ch. 4 - DNA, Chromosomes, and Genomes
Ch. 5 - DNA to RNA to Protein
Ch. 6 - Proteins
Ch. 7 - Gene Expression
Ch. 8 - Membrane Structure
Ch. 9 - Transport Across Membranes
Ch. 10 - Anerobic Respiration
Ch. 11 - Aerobic Respiration
Ch. 12 - Photosynthesis
Ch. 13 - Intracellular Protein Transport
Ch. 14 - Cell Signaling
Ch. 15 - Cytoskeleton and Cell Movement
Ch. 16 - Cell Division
Ch. 17 - Meiosis and Sexual Reproduction
Ch. 18 - Cell Junctions and Tissues
Ch. 19 - Stem Cells
Ch. 20 - Cancer
Ch. 21 - The Immune System
Ch. 22 - Techniques in Cell Biology
Sections
DNA Discovery
Structure and Function of DNA
Helical Formations of DNA
DNA vs. RNA
Packaging of DNA
The Epigenetic Code
Evolution of the Genome
Genomic Comparison
Human Genetic Variation
Transposons and Viruses

Concept #1: Nucleotides and DNA

Practice: Chargoff’s rules state that…

Practice: The two complementary DNA strands that make up the double helix run parallel to each other.

Practice: Which of the following is not a purine nucleotide?