Health, 20.03.2020 09:15 CoolRahim9090
Ryan is a previously sedentary, healthy adult. He has participated in an aerobic training program four days per week for the last 6 months. What changes have likely occurred in his cardiovascular system?
Answers: 1
Health, 23.06.2019 04:00
Viruses use the host's machinery to make copies of themselves. however, some human viruses require a type of replication that humans do not normally have. for example, humans normally do not have the ability to convert rna into dna. how can these types of viruses infect humans, when human cells cannot perform a particular role that the virus requires? a) the virus causes mutations in the human cells, resulting in the formation of new enzymes that are capable of performing these roles.b) the viral genome codes for specialized enzymes not in the host.c) the virus infects only those cells and species that can perform all the replication roles necessary.d) viruses can stay in a quiescent state until the host cell evolves this ability.
Answers: 1
Health, 24.06.2019 01:00
Which describes a side effect? a. an unwanted physical or mental effect caused by a drug b. developing a chemical need for a drug c. the need for increasingly larger amounts of the drug d. the body’s reaction to not having the drug
Answers: 2
Ryan is a previously sedentary, healthy adult. He has participated in an aerobic training program fo...
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