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Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..

Evolution of Life - Ancient Earth
Evolution of Life – Ancient Earth

Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..

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The sequence of amino acids determines the type of protein. Protein is synthesized according to the sequence of nucleoti..

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Control of Growth & Development

Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..

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Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..

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Cell Respiration

Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..