Which is true of dna viruses?
they use the host cell’s machinery to produce new copies of their genome.
they all have envelopes.
they are the only kind of viruses that can cause cancer.
they are not important plant pathogens.

They use host cell machinery to produce new copies of their genome.

Explanation:

DNA viruses, which are similar to cells, directly employ cellular machinery to perform their process of replication, transcription of their genes, and DNA repair, that is, they use a host cell to make new copies of their genome. Because of this, some viruses have a large genome, such as herpesviruses, which make their own genes and become somewhat more independent of cell metabolism.  DNA molecules are found in two forms: linear and circular. Viruses of the polyomaviridae family have small genomes and circular DNA, while herpesviruses have linear dsDNA genomes. Viruses that have single strand genomes do not allow DNA repair.

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

hi there!

answer: b. nucleolus

explanation: nucleolus is a structure in the nucleus are ribosomes are made.

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-charlie

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