Biology

Biology Definitions and Terminology (Tutorial Videos 2026)

Mometrix’s biology videos are general reviews of the concepts, ideas, and topics that may be presented on an exam. Each of these videos will give a wide-scope review of what a test taker may need to know as they prepare to take a test.

Matter and Atoms

• States of Matter (Advanced)
• States of Matter (Basic)
• Structure of Atoms

Macromolecules

• Carbohydrates
• Proteins

Cell Biology

• Cell Function
• Cell Structure
• Cellular Anatomy
• Cellular Energy Production
• Difference Between Plant and Animal Cells
• Function of the Plasma Membrane
• Mitochondria
• Prokaryotic and Eukaryotic Cells

Cellular & Metabolic Processes

• Aerobic Respiration
• Glycolysis
• Cellular Division: Mitosis and Meiosis
• Mitosis
• Asexual Reproduction

Genetics

• Chromosomes
• Codons
• What is DNA?
• DNA vs. RNA
• Genes and Alleles
• Gene Mutation
• Genotype vs. Phenotype
• Mendelian and Non-Mendelian Genetics
• Punnett Square
• Regulation of Gene Expression
• Genetic Cloning
• Genetic Engineering
• Viruses and Antiviral Drugs

Evolution

• Darwin’s Contribution to the Theory of Evolution
• Homologous vs. Analogous Structures

Ecology & Organism Interactions

• Basic Characteristics of Organisms
• Feeding Among Heterotrophs
• Food Webs
• Mutualism, Commensalism, and Parasitism

Taxonomy and Classification

• Biological Classification Systems
• Kingdom Plantae Characteristics

Anatomy and Physiology

• Anatomical and Clinical Parts of Teeth
• Brain Anatomy
• Cardiovascular System
• Heart Blood Flow
• Endocrine System
• Gastrointestinal System
• Immune System
• Integumentary System
• Muscular System
• Myocardial Infarctions
• Reproductive Systems
• Respiratory System
• Skeletal System
• Urinary System