AP Biology - Cellular Respiration

A collection of videos and experiments that are suitable for Biology. Cellular Respiration, Photosynthesis, Mitosis, Phases of Meiosis, Mitosis and Meiosis Simulation.

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Cellular Respiration
This video covers the processes of aerobic and anaerobic cellular respiration. It starts with a brief description of the two processes. It then describes the important parts of the mitochondria. It explains how energy is transferred to ATP through the processes of glycolysis, the Kreb cycle and the Electron Transport Chain. It also explains how organisms use both lactic acid and alcoholic fermentation.

This video explains the process of photosynthesis by which plants and algae can convert carbon dioxide into usable sugar. It begins with a brief description of the chloroplast. It describes the major pigments in a plant (like chlorophyll a and b). It then describes both the light reaction and the Calvin cycle. It finishes with a discussion of photorespiration and strategies for avoiding this problem evolved in CAM and C4 plants.

This video describes the process of mitosis. It begins by discussing the importance of the cell cycle in development, regeneration, asexual reproduction and wound healing. It differentiates between haploid and diploid cells and describes the structure of the chromosome. It then moves through all the phases of mitosis; interphase, prophase, metaphase, anaphase, telophase and cytokinesis.

Phases of Meiosis
This video explains the major phases of meiosis including: interphase, prophase I, metaphase I, anaphase I, telophase I, cytokinesis, interphase II, metaphase II, anaphase II, and telophase II. It explains how variation is created in the next generation through meiosis and sexual reproduction.

Mitosis and Meiosis Simulation
Mr. Andersen uses chromosome beads to simulate both mitosis and meiosis. A brief discussion of gamete formation is also included.

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