General Biology I Lab: Course Structure, Assessment, and Weekly Topics

Course Overview

This document outlines the structure, assessment methods, and weekly topics for a General Biology I laboratory course (Bio Sci 100L). The course covers foundational concepts in biology, laboratory safety, and experimental techniques, as well as major biological processes and diversity.

Assessment and Grading

Lab Practical Exams

Lab practical exams are a significant component of the course, designed to assess students' understanding of laboratory techniques, specimen identification, and application of biological concepts.

• Format: Multiple lab stations with specimens, apparatus, and related questions.

• Content: Questions are based on lab book material and quizzes.

• Preparation: The best way to prepare is to thoroughly review each lab exercise and understand the associated concepts.

• Points: 125 points total.

Extra Credit Assignment

Students can earn extra credit by researching the impact of introduced species on local ecosystems and presenting their findings to the class.

• Topic: Effects of native and nonnative species on ecological functions and native species.

• Points: 10 points.

• Application: Encourages research skills and understanding of ecological interactions.

Weekly Schedule and Topics

The course is organized into weekly modules, each focusing on key areas of general biology. Laboratory sessions complement lecture topics and provide hands-on experience.

Week	Week of	Lecture Topics	Textbook Chapters	Labs
1	8/25	Introduction to Biology Chemistry of Life	1, 2	Lab safety and Scientific Method Scientific Measurements
2	9/1	Cell Structure and Function How Cells Obtain Energy	3, 4	Macromolecules & Nutrition Enzymes
3	9/8	Photosynthesis Exam 1	5	Microscopes and cells Photosynthesis & Respiration
4	9/15	Reproduction at the Cellular Level The Cellular Basis of Inheritance	6, 7	Microscope & Cells Microbes
5	9/22	Patterns of Inheritance Molecular Biology	8, 9	Microbe Analysis Analysis of DNA
6	9/29	Biotechnology Exam 2	10	Plant Diversity Animal Diversity
7	10/6	Evolution and Its Processes Diversity of Life	11, 12	Ecology Lab Senses
8	10/20	Population and Community Ecology Ecosystems and the Biosphere Final Exam	19, 20	Lab Final

Major Topics and Concepts

Introduction to Biology and Lab Safety

Students are introduced to the scientific method, laboratory safety protocols, and the foundational principles of biology.

• Scientific Method: A systematic approach to inquiry involving observation, hypothesis formation, experimentation, and analysis.

• Lab Safety: Includes proper handling of equipment, chemical safety, and emergency procedures.

Chemistry of Life

This topic covers the chemical basis of biological molecules and processes essential for life.

• Key Terms: Atoms, molecules, macromolecules, enzymes.

• Example: Water's role as a solvent in biological systems.

Cell Structure and Function

Explores the organization and function of prokaryotic and eukaryotic cells.

• Organelles: Nucleus, mitochondria, chloroplasts, endoplasmic reticulum, etc.

• Microscopy: Use of microscopes to observe cell structures.

How Cells Obtain Energy

Focuses on cellular respiration and photosynthesis as mechanisms for energy transformation.

• Cellular Respiration: The process by which cells convert glucose and oxygen into ATP, carbon dioxide, and water.

• Photosynthesis: The process by which plants convert light energy, carbon dioxide, and water into glucose and oxygen.

• Equation for Photosynthesis: $6CO_2 + 6H_2O + \text{light energy} \rightarrow C_6H_{12}O_6 + 6O_2$

• Equation for Cellular Respiration: $C_6H_{12}O_6 + 6O_2 \rightarrow 6CO_2 + 6H_2O + \text{ATP}$

Reproduction and Inheritance

Covers cell division (mitosis and meiosis), genetic inheritance, and molecular biology.

• Mitosis: Division of somatic cells for growth and repair.

• Meiosis: Division of germ cells to produce gametes for sexual reproduction.

• Patterns of Inheritance: Mendelian genetics, Punnett squares, and genetic variation.

Molecular Biology and Biotechnology

Examines DNA structure, gene expression, and modern biotechnological applications.

• DNA: Double helix structure, replication, transcription, and translation.

• Biotechnology: Techniques such as PCR, genetic engineering, and cloning.

Diversity of Life and Evolution

Explores the principles of evolution, natural selection, and the diversity of living organisms.

• Evolution: Change in populations over time due to natural selection, mutation, gene flow, and genetic drift.

• Diversity: Classification of life forms, including plants, animals, and microbes.

Ecology and Ecosystems

Focuses on interactions among organisms and their environments, population dynamics, and ecosystem structure.

• Population Ecology: Study of population size, density, and growth.

• Community Ecology: Interactions among species within a community.

• Ecosystems: Energy flow, nutrient cycling, and the biosphere.

Laboratory Skills and Applications

Throughout the course, students develop practical laboratory skills, including measurement, microscopy, data analysis, and scientific communication.

• Lab Reports: Documenting experimental procedures, results, and conclusions.

• Data Analysis: Interpreting experimental data and drawing scientific conclusions.

Additional info: The above topics and structure are inferred from the provided schedule and standard General Biology I curriculum. Specific lab activities and assessments may vary by instructor.