题目
简答题
Upon irradiating the entire planaria how many cells are needed in a graft in order to regenerate all the cells in the animal?
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思路分析
This question asks about the minimum number of cells required in a graft to regenerate all cells of a planarian after irradiation.
First, consider what planarians rely on for regeneration: a population of pluripotent stem cells called neoblasts. These cells have the remarkable ability to give rise to all cell types needed to rebuild the organism.
Next, when planarian......Login to view full explanation登录即可查看完整答案
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类似问题
Match the animal regeneration examples with the regeneration strategy used to regrow the structure: 1: Hydra whole body regeneration 2: Human liver regeneration 3: Axon regeneration 4: Planaria regeneration 5: Salamander limb regeneration
Match the people with their discoveries: 1: Thomas Hunt Morgan 2: Abraham Trembley 3: Lazzarro Spallanzanni
Irradiating the anterior half of the planaria and amputating the head will regenerate because cells from a distant posterior region can migrate to the amputation plane
The observation of animal regeneration in the 1700's challenged the idea of preformationism because of which of the following arguments?
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