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
Answers: 1
Biology, 21.06.2019 23:40, jessicagustama
Explain the difference between incomplete dominance and codominance
Answers: 2
Biology, 22.06.2019 10:00, nyasiasaunders1234
Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins
Answers: 2
Biology, 22.06.2019 10:30, genyjoannerubiera
Jason, a dog breeder, decides to mate a poodle with a golden labrador retriever. he wants to get puppies with the curly hair of the poodle and the color of the labrador. what concept is shown in this example? question 6 options: artificial selection adaptation evolution natural selection
Answers: 1
E. coli is a species of bacteria that causes many different infections in humans. certain e. coli st...
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