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Course Criteria
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1.00 Credits
Designed for first-year students with a serious interest in the life sciences, this course will introduce important topics spanning the grand spectrum of biology, from ecology and evolution down to cells and biomolecules. We will emphasize subjects that are especially significant for the world today, including, where appropriate, research origins and current investigative processes. Students will gain essential experience in biological analysis, critical thinking, and evidence-based discovery. The course is recommended for first-year students planning to major in biology or another life science. Other students require permission of the instructor to enroll. Only first-year students are eligible to enroll in this class. 1.00 units, Lecture
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3.00 Credits
This course will provide an introduction to life on Earth from an evolutionary perspective. Through lecture and discussion, we will examine evolutionary principles, inheritance, biodiversity, physiological adaptations, and ecology. The laboratory will provide the opportunity to explore biological concepts through observation, experimental design, and analysis. 1.25 units, Lecture
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3.00 Credits
In this third course of the introductory biology sequence, we will examine cells as the fundamental unit of life, discussing features common to all cells, and exploring specializations that confer unique properties to different cell types. The laboratory will provide the opportunity to explore biological concepts through observation, experimental design, and analysis. Prerequisite: A grade of C- or better in Biology 182L and Chemistry 111L or permission of the instructor. 1.25 units, Lecture
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0.00 Credits
Although the earliest plants were simple cells limited to an aquatic environment, today's plants are found in many habitats, including deserts and high altitudes. To survive in these environments, plants have evolved a remarkable variety of body forms and specialized structures. This course will survey the plant kingdom, focusing on adaptations that permitted plants to advance into new habitats. We will examine selected examples from the major groups, combining lectures, demonstrations, and observations. Prerequisite: C- or better in Biology 152L and Biology 153L or Biology 182L and Biology 203L or Permission of Instructor. 1.00 units, Lecture
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25.00 Credits
This course provides a comprehensive survey of the structure, composition, and function of tissues and their cellular and non-cellular components. Particular emphasis is placed on structural organization and structural-functional relationships of mammal tissues, with comparisons to other vertebrates. Recent microscopic research conducted at Trinity will also be considered. In the laboratory, students learn fundamentals of cell and tissue morphology through light microscopy and examination of electron micrographs. A background in general or organic chemistry is useful. Prerequisite: C- or better in Biology 152L and Biology 153L or Biology 182L and Biology 203L or Permission of Instructor. 1.25 units, Lecture
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0.50 Credits
Taught during the first seven weeks of the semester, this laboratory course introduces students to the use of the scanning electron microscope (SEM), as well as associated techniques and equipment. Scanning electron microscopes permit the examination of surface features of cells, tissues, and non-biological materials at high magnification. In this course, students learn how to prepare specimens for electron microscopic study, and how to use the SEM to examine and photograph these specimens. Techniques to be used include tissue fixation, critical point drying, and specimen coating. The theory behind these techniques and use of the SEM also will be considered. This course is especially appropriate for students interested in independent research in biology, biochemistry, or neuroscience, but is open to other students as well. This course does not count towards the biology major. The course meets for one lab per week; however, students should plan to invest time outside of class in order to practice the techniques. 0.50 units, Lecture
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25.00 Credits
An introductory study of the structure, function, development, metabolism, reproduction, dispersal, ecology, and evolution of plants. Plant/animal interactions and co-evolution will be considered. Laboratory exercises and field work are designed to involve students with important concepts discussed in lecture. Prerequisite: C- or better in Biology 152L or Biology 182L, or permission of instructor. 1.25 units, Lecture
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0.50 Credits
Taught during the first seven weeks of the semester, this laboratory course introduces students to the transmission electron microscope (TEM), as well as to associated techniques and equipment. Transmission electron microscopes permit the ultrastructural examination of cell, tissue, and non-biological materials at very high magnification (up to 250,000x). In this course, students learn how to prepare specimens for electron microscopic study, to use the TEM to examine and digitally photograph them, and to interpret the resultant images. The theory behind these techniques and the use of the TEM also will be considered. Students apply these techniques towards construction of a portfolio of micrographs; if necessary, they can use two weeks beyond the seven-week class period to finish their projects. This course is ideal for students interested in independent research in biology, biochemistry, or neuroscience, but is open to other students as well. This course does not count towards the biology major. This course meets for one lecture and one lab period per week; however, students should plan to invest time outside of class in order to practice the techniques. 0.50 units, Lecture
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25.00 Credits
Please refer to the course description for Biology 224 in the spring semester. A study of the basic principles of genetics including the transmission and organization of the genetic material in prokaryotes and eukaryotes, the molecular biology of nucleic acids and information transfer, mutation and mutagenesis, and gene regulation. Laboratory will include techniques of genetic analysis in plants, fungi, and Drosophila. Selected experiments in cytogenetics, molecular genetics, and the genetics of bacteria and bacteria phage. Prerequisite: C- or better in Biology 152L and Biology 153L or Biology 182L and Biology 203L or Permission of Instructor. 0.25 units, Laboratory
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25.00 Credits
An introductory study of the variety, morphology, functional attributes, development, ecology, and evolution of the major groups of invertebrate animals. The laboratory includes demonstrations, dissections, and experimental observation that relate adaptations in structural patterns and physiological processes of organisms to their marine, freshwater, or terrestrial environments. Prerequisite: C- or better in Biology 152L or Biology 182L, or permission of instructor. 1.25 units, Lecture
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