Biology, 07.07.2019 11:00 ozheng24112
E. coli is a species of bacteria that causes many different infections in humans. certain e. coli strains have developed resistance to antibiotics, making infections with these strains difficult to treat. how do bacteria such as e. coli, which reproduce asexually, gain new traits such as antibiotic resistance? a. by adapting to changes in environmental conditions without undergoing changes in their dna b. by mutating their dna in response to environmental conditions to gain beneficial traits c. by producing offspring with new gene assortments from genetic recombination, which increases diversity in a population d. by undergoing spontaneous mutations when they replicate, which increases genetic variation in a population
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Biology, 20.06.2019 18:04
Which statement best describes the relationship between observations and conclusions? a) observations are based on conclusions b) conclusions are based on observations c) observations and conclusions both depend on research d) neither conclusions nor observations depend on research.
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Biology, 21.06.2019 20:00
Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte
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Biology, 22.06.2019 02:00
Identify the terms using the following picture. principle of dominance item 1 can be described as the . item 2 can be described as the . the "p" represents from one parent.
Answers: 3
Biology, 22.06.2019 13:00
What is the role of dna ligase in the elongation of the lagging strand during dna replication?
Answers: 1
E. coli is a species of bacteria that causes many different infections in humans. certain e. coli st...
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