BIO 100 Exam 1 (2025/2026) – 100+ Verified Q&A on Scientific Method, Chemistry of Life, Cell Transport, Macromolecules, Taxonomy, and Cellular Structure (Introductory Biology)

This expertly structured exam guide for BIO 100 – Introduction to Biology includes over 100 carefully explained and A+ graded questions and answers, aligned with the 2025/2026 academic curriculum. The document covers a wide range of foundational biological topics and is ideal for non-majors, general education students, pre-nursing, and allied health programs. Designed in a clear Q&A format, the guide supports active recall and strong concept retention for learners preparing for their first major exam in a college-level biology course. Key topics covered include: – Scientific Method: steps of experimentation, discovery-based vs. hypothesis-driven science – Fundamentals of Life: six characteristics of living organisms, emergent properties, evolution, homeostasis – Taxonomy and Classification: domains (Bacteria, Archaea, Eukarya), taxonomic hierarchy (Domain → Species), and evolutionary trees – Atomic Structure & Chemistry: atoms, ions, isotopes, subatomic particles, bonding types (covalent, ionic, hydrogen) – Properties of Water: cohesion, adhesion, capillary action, pH, acids, bases, buffers, and their importance in biology – Macromolecules: monomers and polymers of carbohydrates, lipids, proteins, nucleic acids; functions, examples, and importance – Cell Structure: prokaryotic vs eukaryotic cells, organelles (nucleus, ER, Golgi, mitochondria, chloroplasts, lysosomes, etc.) – Cell Membrane & Transport: diffusion, osmosis, active vs passive transport, tonicity (hypertonic, hypotonic, isotonic), endocytosis, exocytosis – Membrane Models & Proteins: phospholipid bilayer, fluid mosaic model, protein functions in transport, signaling, immune response – DNA, RNA, and Protein Synthesis: transcription, translation, ribosomes, nucleotides, endosymbiosis theory – Lab Applications: identifying macromolecules (lipids, sugars), controls in experimental design, interpreting basic experiments This document is especially suited for: – Students enrolled in BIO 100 or Survey of Biology courses – Majors in general biology, nursing, pre-med, or liberal arts sciences – Learners preparing for unit exams, lab assessments, or midterms – Anyone seeking a solid foundation in introductory biological principles With clear formatting, terminology explanations, and well-structured answers, this resource ensures academic success for all levels of learners. Keywords: scientific method, discovery-based science, hypothesis testing, characteristics of life, taxonomy, three domains, atomic structure, macromolecules, water properties, pH scale, cell theory, prokaryotes vs eukaryotes, organelles, plasma membrane, osmosis, diffusion, active transport, protein synthesis, endosymbiosis, fluid mosaic model, intro biology