When first used in medicine in the 1940s, penicillin was uniformly effective in killing the bacterium staphylococcus aureus. today, has led to an increase in antibiotic-resistant alleles, and humans are increasingly at risk from untreatable staphylococcus aureus infections. a. molecular genetics b. natural selection in staphylococcus aureus populations c. natural selection in human populations d. uncleanliness in hospitals e. the substitution of methicillin for penicillin?
Answers: 1
Biology, 21.06.2019 20:00
!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.
Answers: 1
Biology, 22.06.2019 05:40
Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.
Answers: 2
Biology, 22.06.2019 07:30
In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?
Answers: 3
When first used in medicine in the 1940s, penicillin was uniformly effective in killing the bacteriu...
Business, 11.11.2019 02:31
Geography, 11.11.2019 02:31
History, 11.11.2019 02:31
Social Studies, 11.11.2019 02:31
History, 11.11.2019 02:31
English, 11.11.2019 02:31
Mathematics, 11.11.2019 02:31
Mathematics, 11.11.2019 02:31