Lysogenic bacteriophages contribute to bacterial virulence because bacteriophages kill the bacteria, causing release of endotoxins. carry plasmids. kill human cells. give new gene sequences to the host bacteria. produce toxins.

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair