| 单词 | archaebacteria |
| 例句 | The supposed great antiquity of the archaebacteria remains an unproved prejudice, but it is a plausible one. Archaebacteria: The Third Domain of Life Missed by Biologists for Decades 2013-01-01T00:45:00.170Z For some time it had been recognized that various organisms now classified as archaebacteria are individually somewhat peculiar. Archaebacteria: The Third Domain of Life Missed by Biologists for Decades 2013-01-01T00:45:00.170Z The reason is not that additional differences do not exist; it is rather that the world of archaebacteria remains virtually unexplored. Archaebacteria: The Third Domain of Life Missed by Biologists for Decades 2013-01-01T00:45:00.170Z Nothing whatever is known about the control of gene expression in archaebacteria. Archaebacteria: The Third Domain of Life Missed by Biologists for Decades 2013-01-01T00:45:00.170Z The basic molecular biology of archaebacteria is not under stood. Archaebacteria: The Third Domain of Life Missed by Biologists for Decades 2013-01-01T00:45:00.170Z The name archaebacteria implies that these organisms were the dominant ones in the primeval biosphere. Archaebacteria: The Third Domain of Life Missed by Biologists for Decades 2013-01-01T00:45:00.170Z The discovery of the archaebacteria provides the perspective needed to approach the question of whether the universal ancestor was a prokaryote or a progenote. Archaebacteria: The Third Domain of Life Missed by Biologists for Decades 2013-01-01T00:45:00.170Z The phylogenetic evidence suggests that the archaebacteria are at least as old as the other major groups. Archaebacteria: The Third Domain of Life Missed by Biologists for Decades 2013-01-01T00:45:00.170Z Moreover, some of the archaebacteria have a form of metabolism that seems particularly well suited to the conditions believed to have prevailed in the early history of life on the earth. Archaebacteria: The Third Domain of Life Missed by Biologists for Decades 2013-01-01T00:45:00.170Z The time needed for the evolution of the first true bacteria or archaebacteria, then, had to be less than a billion years, and perhaps much less. Archaebacteria: The Third Domain of Life Missed by Biologists for Decades 2013-01-01T00:45:00.170Z They revealed nothing about the quality of the differences—the phenotypic differences—between the archaebacteria and the true bacteria. Archaebacteria: The Third Domain of Life Missed by Biologists for Decades 2013-01-01T00:45:00.170Z |
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