Khan Academy
Khan Academy: Exploring an Individual's Temperament
Answer questions to practice for the MCAT on the topic of temperament.
Khan Academy
Khan Academy: Chromosomes
This informative resource features an overview of genetic material: DNA, chromosomes, genomes, homologous chromosomes, sister chromatids, and haploid/diploid.
Khan Academy
Khan Academy: Protein Targeting
Learn how molecular labels are used to direct proteins to different parts of the cell and to the cell exterior.