Course Overview

This syllabus outlines the structure and content of General Biology I Lab (Bio I Lab–121), designed as an introductory course for students pursuing further studies in biology, chemistry, or medical fields. The course follows the Campbell Biology textbook and covers foundational concepts in biological sciences.

Course Learning Outcomes and Modules

Module 1: Chemistry of Life and Water

This module introduces students to the chemical basis of life, focusing on the properties of water and the fundamental characteristics of living organisms.

• Chemistry of Life: Understanding atoms, molecules, and chemical bonds essential for biological processes.

• Characteristics of Water: Water's polarity, hydrogen bonding, cohesion, adhesion, and its role as a universal solvent.

• Characteristics of Life: Organization, metabolism, responsiveness, growth, development, reproduction, and evolution.

• Example: Water's high specific heat helps regulate temperature in living organisms.

Module 2: Carbon Bonding, Macromolecules, and Cell Structure

This module explores the versatility of carbon in forming diverse biological molecules, the structure and function of macromolecules, and the organization of cells.

• Carbon Bonding: Carbon's ability to form four covalent bonds enables the creation of complex organic molecules.

• Macromolecules: Includes carbohydrates, lipids, proteins, and nucleic acids; each plays a vital role in cellular structure and function.

• Cell Structure: Overview of prokaryotic and eukaryotic cells, organelles such as the nucleus, mitochondria, and cell membrane.

• Example: Proteins are polymers of amino acids that perform structural and enzymatic functions.

Module 3: Metabolic Processes, Photosynthesis, and Cellular Respiration

This module covers the biochemical pathways that sustain life, including metabolism, photosynthesis, and cellular respiration.

• Metabolism: The sum of all chemical reactions in an organism, including catabolic and anabolic pathways.

• Photosynthesis: The process by which plants convert light energy into chemical energy; key stages include the light reactions and Calvin cycle.

• Cellular Respiration: The breakdown of glucose to produce ATP; includes glycolysis, Krebs cycle, and electron transport chain.

• Example: The equation for cellular respiration:

Module 4: Cell Communication and Signaling

This module examines how cells communicate with each other through signaling pathways, which are essential for coordinating cellular activities.

• Cell Signaling: Mechanisms include direct contact, chemical signals, and receptor-mediated pathways.

• Signal Transduction: The process by which a signal is relayed and amplified inside the cell, often involving second messengers.

• Example: Hormones like insulin signal cells to uptake glucose.

Module 5: Cell Cycle and Mitosis

This module focuses on the stages of the cell cycle, particularly mitosis, and the regulatory checkpoints that ensure proper cell division.

• Cell Cycle: Includes interphase (G1, S, G2) and mitotic phase (mitosis and cytokinesis).

• Mitosis: The process of nuclear division resulting in two genetically identical daughter cells; stages include prophase, metaphase, anaphase, and telophase.

• Checkpoints: G1, G2, and M checkpoints regulate progression and prevent errors.

• Example: The G1 checkpoint ensures the cell is ready for DNA replication.

Module 6: Meiosis and Sexual Reproduction

This module explores meiosis, the process that produces gametes, and the advantages of sexual reproduction for genetic diversity.

• Meiosis: A two-part cell division process that reduces chromosome number by half, resulting in four genetically unique gametes.

• Stages of Meiosis: Meiosis I (separation of homologous chromosomes) and Meiosis II (separation of sister chromatids).

• Advantages: Sexual reproduction increases genetic variation, enhancing adaptability.

• Example: Crossing over during prophase I creates new allele combinations.

Module 7: Mendelian and Non-Mendelian Genetics

This module introduces classical Mendelian genetics and extends to more complex inheritance patterns, enabling students to analyze genetic probabilities.

• Mendelian Genetics: Principles of segregation and independent assortment; use of Punnett squares to predict offspring ratios.

• Non-Mendelian Genetics: Includes incomplete dominance, codominance, and polygenic inheritance.

• Punnett Squares: Tools for visualizing and calculating genetic probabilities.

• Example: A monohybrid cross between two heterozygotes yields a 3:1 phenotypic ratio.

Course Schedule Overview

Grading Scale

Additional info:

• The course closely follows the structure and topics of the Campbell Biology textbook, 13th edition.

• Modules correspond to major chapters in introductory biology, including evolution, cell structure, metabolism, genetics, and cell division.

• Assignments include readings, quizzes, practice tests, and discussion questions to reinforce learning.

• Students are expected to understand and apply concepts through both theoretical and practical activities.