“…These observations point to the facts that mitochondria in developing buds arise from pre-existing ones, and are produced only in the cells which possess a nucleus. The polymorphic nature of mitochondria is shown in the electron micrographs, and the occurrence of rod or thread-like forms in yeast (Thyagarajan and Subramaniam, 1960) cannot be disputed. Dempsey (1956) has pointed out the inadequacy of the "fission" theory of mitochondrial multiplication and development in higher organisms.…”
“…These observations point to the facts that mitochondria in developing buds arise from pre-existing ones, and are produced only in the cells which possess a nucleus. The polymorphic nature of mitochondria is shown in the electron micrographs, and the occurrence of rod or thread-like forms in yeast (Thyagarajan and Subramaniam, 1960) cannot be disputed. Dempsey (1956) has pointed out the inadequacy of the "fission" theory of mitochondrial multiplication and development in higher organisms.…”
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