Answers: 1
Health, 23.06.2019 04:31
In 2009, a flu pandemic was believed to have originated when viral transmission occurred from pig to human, thereby earning the designation, "swine flu." although pigs are thought to have been the breeding ground for the 2009 virus, sequences from bird, pig, and human viruses were all found within this newly identified virus. what is the most likely explanation of why this virus contained sequences from bird, pig, and human viruses? a) the virus was descended from a common ancestor of bird, pig, and human flu viruses.b) the infected individuals happened to be infected with all three virus types.c) related viruses can undergo genetic recombination if the rna genomes mix and match during viral assembly.d) the human was likely infected with various bacterial strains that contained all three rna viruses.
Answers: 2
Health, 23.06.2019 15:30
What link in the chain of transmission is described in the paragraph? sarah has been eating and sleeping poorly. she was just diagnosed with pneumonia. tests showed the illness was caused by streptococcus pneumoniae. in the chain of transmission, sarah is the (blank) , and streptococcus pneumonia is the (blank).
Answers: 1
Health, 24.06.2019 04:30
Describe the goals of healthy people 2020 and its relationship to nutrition
Answers: 2
Health, 24.06.2019 15:30
Which describes the role of the diaphragm during inhalation? the diaphragm flattens, making the chest cavity larger, and air flows in. the diaphragm moves upward, making the chest cavity larger, and air flows in. the diaphragm flattens, making the chest cavity smaller, and air is sucked in. the diaphragm moves upward, making the chest cavity smaller, and air is pushed out.
Answers: 3
Critics of paying family members to provide care do so for which of the following reasons?...
Physics, 09.12.2021 05:30
English, 09.12.2021 05:30
History, 09.12.2021 05:30
SAT, 09.12.2021 05:30
English, 09.12.2021 05:30
Mathematics, 09.12.2021 05:30