In the early days of germ theory, contagious diseases were thought to be caused by fungi or bacteria. in the 1890s, dmitri ivanovski filtered extracts from diseased tobacco plants and discovered that the disease could be transmitted to new plants through the filtrate. he concluded that the disease was caused by particles smaller than bacteria: the tobacco mosaic virus.
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Biology, 21.06.2019 19:30
Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.
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Biology, 22.06.2019 03:40
20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.
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Biology, 22.06.2019 12:30
No plagiarizing ! 6th grade work! easy and 100 compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.
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Biology, 22.06.2019 13:50
The law of states that traits are passed from parents to offspring independently of one another.. true or false
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In the early days of germ theory, contagious diseases were thought to be caused by fungi or bacteria...
Mathematics, 19.03.2020 23:37
Mathematics, 19.03.2020 23:38
Mathematics, 19.03.2020 23:38
Mathematics, 19.03.2020 23:38
Mathematics, 19.03.2020 23:39
Mathematics, 19.03.2020 23:39
Mathematics, 19.03.2020 23:39
Mathematics, 19.03.2020 23:39
Mathematics, 19.03.2020 23:39