Which of the following is true about viruses?Group of answer choicesThey are not composed of cells.They cannot metabolize nutrients.They have DNA or RNA.They cannot reproduce themselves.All of the above.
Question
Which of the following is true about viruses?Group of answer choicesThey are not composed of cells.They cannot metabolize nutrients.They have DNA or RNA.They cannot reproduce themselves.All of the above.
Solution
All of the above is true about viruses.
-
They are not composed of cells: Viruses are much smaller than cells and lack the structures necessary for metabolism and reproduction that cells have. They are composed of a protein coat and a core of DNA or RNA.
-
They cannot metabolize nutrients: Viruses lack the machinery for metabolism. They cannot convert food into energy. Instead, they hijack the metabolic machinery of a host cell to reproduce.
-
They have DNA or RNA: Viruses carry genetic material, which
Similar Questions
11. Which of the following statements about viruses is true?a. They are acellular.b. They can regulate the movements of substances into and out of the cell.c. They can reproduce outside of living cells.d. They have subcellular compartments.e. They are readily destroyed by antibiotics.
Which one of the following statements about viruses is correct? Viruses possess their own metabolic system All viruses contain RNA and DNA Viruses are obligate parasites Nucleic acid of virus is known as capsid
Which of the following statements is true?Question 14Select one:a.Some viruses have two alternative life cyclesb.Viruses are not considered to be organisms since they are very smallc.Viruses can infect only eukaryotic hosts since they cannot pass the bacterial and plant cell wallsd.Viruses cannot reproduce within a host
Which of the following statements provides the most significant support for the idea that viruses are nonliving chemicals?Group of answer choicesThey are chemically simple.They are not composed of cells.They cannot reproduce themselves outside a host.They are filterable.They cause diseases similar to those caused by chemicals.
Which of the following is not utilized in the cultivation of animal viruses? A. bacterial cells B. embryonated chicken eggs C. cultured animal cells D. live animals such as mice
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.