Prokaryotic genomes ___. a. usually have introns. b. are composed mainly of noncoding DNA. c. usually have hundreds of millions of nucleotides. d. often have small circular DNA molecules that can be transferred across cells. e. have several chromosomes called plasmids.
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Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?
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Many plants can reproduce asexually. which of these is an example of asexual reproduction in a plant? a. pine cones forming on a tree b. cross-pollination in a tomato c. roots sprouting from a potato d. night-blooming jasmine flowers
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Prokaryotic genomes ___. a. usually have introns. b. are composed mainly of noncoding DNA. c. usuall...
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