When a virus infects a bacterial cell, often new viruses are assembled and released when the host bacterial cell is lysed. if these new viruses go on to infect new bacterial cells the host cells may not be lysed. what is the most plausible explanation for this? when a virus infects a bacterial cell, often new viruses are assembled and released when the host bacterial cell is lysed. if these new viruses go on to infect new bacterial cells the host cells may not be lysed. what is the most plausible explanation for this? the bacterial cell must be resistant to infection by the virus. the virus has entered the genome of the bacterial cell and is in the lysogenic stage. the virus carries genes that confer resistance to the host bacterial cell. the host bacterium couples the viral infection with transformation.

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

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Recently, crops of vegetables such as lettuce and green onions have been contaminated, while they are still on the farm, with bacteria that cause food poisoning. how will science influence the way the government responds to prevent an increase in food-borne diseases? because science has shown that lettuce and green onions are not nutritionally valuable, the government may pass laws that ban the sale of lettuce and green onions. because science has shown that there is no way to prevent bacterial contamination, the government may pass laws that punish businesses that buy lettuce and green onions. because science has shown that the washing of hands prevent the spread of infectious diseases among people, the government may pass laws that require hand washing by everyone who handles food. because science has shown there are ways to find the source of the contamination, the government may pass laws that require farm practices that reduce the contamination of lettuce and green onions.