A microbial cell's membrane is considered ________, because its internal constituents are maintained within the cell. However, it also imports and exports other molecules in response to its environment
A) differential
B) microselective
C) rigid
D) semipermeable
Answer: D
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What will be an ideal response?
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The number of the greater prairie chicken, a bird found in the prairies of Illinois, was drastically reduced during the 19th and 20th centuries due to hunting and habitat destruction. The number of the birds went from millions to fewer than 50. When the population rebounded to over 5,000, more than 30% of the alleles were lost forever. The allele loss in the above example is mostly due to__________________.
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The sequence of nitrogen-containing bases on one strand of DNA could determine all of the following EXCEPT the sequence of
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