Immunization against an influenza virus does not provide long-term protection against the disease because: *
The virus destroys the vaccine before it has a chance to work
The serum in the vaccination expires within the body
The virus undergoes genetic changes
Antibodies do not work against viruses
Answers: 3
Biology, 21.06.2019 14:00
Eristics do scientists use to distinguish between organisms in different kingdoms
Answers: 1
Biology, 21.06.2019 18:50
Which of these organisms have the greatest amount of cell specialized
Answers: 2
Biology, 21.06.2019 21:30
Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1
Answers: 1
Biology, 22.06.2019 00:00
An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.
Answers: 1
Immunization against an influenza virus does not provide long-term protection against the disease be...
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