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Biology, 22.06.2019 09:00
What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.
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Biology, 22.06.2019 09:00
Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f
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Biology, 22.06.2019 12:40
Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.
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Biology, 23.06.2019 01:30
After dinner with his brother, charles darwin looked through a book by thomas robert malthus, who believed that humanity, if unchecked, could double its population size in 25 years . why then , wasn't the earth overrun with humans at this point ? how does this relate to the stoning of the darwin's carriage?
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Mathematics, 17.12.2019 22:31
Spanish, 17.12.2019 22:31
Mathematics, 17.12.2019 22:31