I dont see any choices sorry wish i could help
Diatoms have cell walls composed of silicon dioxide.
A. silicon dioxide.
Bacteriophages most frequently have which sort of morphology, when bacterial genes are transmitted from one bacterium to another by a virus.
<h3>What does a bacteriophage look like morphologically?</h3>
The best method for examining the morphology of bacteriophages is electron microscopy. It has a polyhedral head, a short neck and collar, and a straight tail. It is tadpole-shaped. The head is 950 x 650 in size and has a bipyramidal hexagonal form. A membrane (capsid) that is about 35 thick encloses the contents of the head.
<h3>What kind of bacteriophage is most typical?</h3>
Assphages are a large and common family of tailed bacteriophages that are thought to infect bacteria belonging to the phylum Bacteroidales. Members of this viral family have never been isolated in culture and are still poorly understood despite being present in up to 50% of people and accounting for up to 90% of human gut viromes.
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Answer:
because the want to reach their destination
