Most rna viruses carry which of the following enzymes?
a. lysozyme rna-dependent
b. r...
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Biology, 22.06.2019 04:30
Long term exposure to waves can cause sunburns and skin cancer.
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Biology, 22.06.2019 13:30
What kinds of molecules can pass through the cell membrane without any problem?
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Biology, 22.06.2019 14:30
Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.
Answers: 2
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