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- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/12%3A_Cancer/12.02%3A_Cancer_Cells_in_CultureThis page examines mouse fibroblasts, highlighting the contrast between normal cells with contact inhibition and transformed 3T3 cells that lack this feature. It notes that while transformed cells can...This page examines mouse fibroblasts, highlighting the contrast between normal cells with contact inhibition and transformed 3T3 cells that lack this feature. It notes that while transformed cells can form tumors in test subjects despite not being cancerous, normal cells require specific nutrients and maintain a normal karyotype. In contrast, transformed and cancer cells can survive on simpler media and often exhibit abnormal karyotypes with irregular chromosome structures.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/16%3A_The_Anatomy_and_Physiology_of_Plants/16.01%3A_Plant_Anatomy/16.1.01%3A_Plant_TissuesThis page explains the different types of plant tissues and their roles: meristematic tissue enables growth; protective tissue covers surfaces; parenchyma aids in storage and photosynthesis; sclerench...This page explains the different types of plant tissues and their roles: meristematic tissue enables growth; protective tissue covers surfaces; parenchyma aids in storage and photosynthesis; sclerenchyma offers support; collenchyma strengthens growth areas; xylem transports water and minerals; and phloem carries sugars. Each tissue type is essential to the overall structure and function of plants.
- https://bio.libretexts.org/Courses/Monterey_Peninsula_College/Raskoff_Environmental_Science/02%3A_Environmental_Systems/2.05%3A_A_Cell_is_the_Smallest_Unit_of_LifeThe atom is the smallest and most fundamental unit of matter. Atoms combine to form molecules, which are chemical structures consisting of at least two atoms held together by a chemical bond. In plant...The atom is the smallest and most fundamental unit of matter. Atoms combine to form molecules, which are chemical structures consisting of at least two atoms held together by a chemical bond. In plants, animals, and many other types of organisms, molecules come together in specific ways to create structures called organelles. Organelles are small structures that exist within cells and perform specialized functions. As discussed in more detail below, all living things are made of one or more cell
- https://bio.libretexts.org/Bookshelves/Cell_and_Molecular_Biology/Fundamentals_of_Cell_Biology_(Dalton_and_Young)/01%3A_Visualizing_Cells_through_MicroscopyThis page discusses cell study and the essential role of microscopes in observing microscopic cells. It covers microscopy tools, their capabilities and limitations, and provides foundational knowledge...This page discusses cell study and the essential role of microscopes in observing microscopic cells. It covers microscopy tools, their capabilities and limitations, and provides foundational knowledge for cell biology. Key topics include magnification, resolution, light and electron microscopy, and interpreting micrographs.
- https://bio.libretexts.org/Courses/Manchester_Community_College_(MCC)/BIOL_106%3A_Essentials_of_Anatomy_and_Physiology_(Anzalone)/03%3A_Cell_Structure_and_Function/3.01%3A_Case_Study-__The_Importance_of_CellsWe all get tired sometimes, especially if we have been doing a lot of physical activity like these hikers. But for Jasmin, a 34 year old former high school track star who is now a recreational runner,...We all get tired sometimes, especially if we have been doing a lot of physical activity like these hikers. But for Jasmin, a 34 year old former high school track star who is now a recreational runner, his tiredness was going far beyond what he thought should be normal for someone who is generally in good physical shape.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/03%3A_The_Cellular_Basis_of_Life/3.11%3A_The_CytoskeletonThis page outlines the cytoskeleton, composed of actin filaments, intermediate filaments, and microtubules, each fulfilling distinct roles. Actin filaments enhance mechanical strength and assist in mu...This page outlines the cytoskeleton, composed of actin filaments, intermediate filaments, and microtubules, each fulfilling distinct roles. Actin filaments enhance mechanical strength and assist in muscle contraction and cytokinesis. Intermediate filaments, such as keratins, provide structural stability. Microtubules, the largest fibers, aid in intracellular transport and chromosome movements during division, and form structures like cilia and flagella.
- https://bio.libretexts.org/Courses/Community_College_of_Vermont/Human_Biology_(Gabor_Gyurkovics)/03%3A_Cells/3.01%3A_Case_Study_-_The_Importance_of_CellsWe all get tired sometimes, especially if we have been doing a lot of physical activity like these hikers. But for Jasmin, a 34 year old former high school track star who is now a recreational runner,...We all get tired sometimes, especially if we have been doing a lot of physical activity like these hikers. But for Jasmin, a 34 year old former high school track star who is now a recreational runner, her tiredness was going far beyond what she thought should be normal for someone who is generally in good physical shape.
- https://bio.libretexts.org/Bookshelves/Human_Biology/Human_Biology_(Wakim_and_Grewal)/05%3A_Cells/5.01%3A_Case_Study%3A_The_Importance_of_CellsWe all get tired sometimes, especially if we have been doing a lot of physical activity like these hikers. But for Jasmin, a 34 year old former high school track star who is now a recreational runner,...We all get tired sometimes, especially if we have been doing a lot of physical activity like these hikers. But for Jasmin, a 34 year old former high school track star who is now a recreational runner, his tiredness was going far beyond what he thought should be normal for someone who is generally in good physical shape.
- https://bio.libretexts.org/Bookshelves/Cell_and_Molecular_Biology/Fundamentals_of_Cell_Biology_(Dalton_and_Young)/02%3A_Biological_MembranesThis page discusses biological membranes' composition and function, focusing on macromolecules like lipids and proteins. It highlights the plasma membrane's roles, the significance of membrane structu...This page discusses biological membranes' composition and function, focusing on macromolecules like lipids and proteins. It highlights the plasma membrane's roles, the significance of membrane structure for function, and explores adjacent structures such as the extracellular matrix and plant cell wall. Key topics include membrane chemical features, fluidity maintenance, membrane protein structure and function, and relevant experimental techniques in membrane biology.
- https://bio.libretexts.org/Courses/Skyline_College/BIOL_130%3A_Human_Biology/03%3A_Cells/3.01%3A_Case_Study-__The_Importance_of_CellsWe all get tired sometimes, especially if we have been doing a lot of physical activity like these hikers. But for Jasmin, a 34 year old former high school track star who is now a recreational runner,...We all get tired sometimes, especially if we have been doing a lot of physical activity like these hikers. But for Jasmin, a 34 year old former high school track star who is now a recreational runner, his tiredness was going far beyond what he thought should be normal for someone who is generally in good physical shape.
- https://bio.libretexts.org/Courses/Butte_College/BC%3A_BIOL_2_-_Introduction_to_Human_Biology_(Grewal)/Text/05%3A_Cells/5.01%3A_Case_Study_-_The_Importance_of_CellsWe all get tired sometimes, especially if we have been doing a lot of physical activity like these hikers. But for Jasmin, a 34 year old former high school track star who is now a recreational runner,...We all get tired sometimes, especially if we have been doing a lot of physical activity like these hikers. But for Jasmin, a 34 year old former high school track star who is now a recreational runner, her tiredness was going far beyond what she thought should be normal for someone who is generally in good physical shape.
