Commercial, Technical, Narrative, Educational
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Description
Vocal Characteristics
Language
EnglishVoice Age
Middle Aged (35-54)Accents
North American (General) North American (US General American - GenAM) US African AmericanTranscript
Note: Transcripts are generated using speech recognition software and may contain errors.
the cell's protective wall. To tour a pro periodic sell, you would have to shrink to a size that is hundreds of times smaller than the period at the end of this sentence. Keeping you out of the cell is a tough, flexible membrane that acts like a brick and mortar wall surrounding a factory. It would take some 10,000 layers of this membrane to equal the thickness of a sheet of paper, but the membrane of a cell is much more sophisticated than the brick wall in what ways?