8. The basic morphologies of viruses include all of the following EXCEPT a Compl
ID: 198161 • Letter: 8
Question
8. The basic morphologies of viruses include all of the following EXCEPT a Complex b. Complete c. Naked d. Enveloped 9. Where are DNA viruses generally replicated? a. In the nucleus b. In the cytoplasm c. In the membrane d. All of these 10. Which of the following is NOT a eytopathic effect (effect on host cells) of vinuses discussed in class? a. Transformation of cell into cancerous cells b. Cells fuse and form multinucleated cells c. Alterations to DNA d. These are all cytopathic effects of viruses 11. Which of the following is NOT considered a noncellular infectious agent (or infectious particles)? a. Prions b. Satellite viruses c. Viroids d. All of these are noncellular infectious agents 12. Endocytosis: a. Is one way by which viruses can infect their host cell b. Is a process by which a cell can take in liquid or dissolved nutrients (pinocytosis) c. Is a process by which organisms can take in solid nutrients (phagocytosis) d. All of these are correct 13. What type of nucleic acid is found in viruses that require reverse transcriptase? a. DNA b. Positive-sense RNA c. Negative-sense RNA d. All of these 14. The 4 major macromolecules are formed through what type of reaction? a. Hydrolysis b. Dehydration c. Oxidation reduction d. All of these form macromoleculesExplanation / Answer
8) b: There are naked viruses, enveloped viruses, and complex viruses. Complete viruses are not there.
9) a): DNA virus replicates in nucleus and RNA viruses in the cytoplasm.
10) d) all the above mentioned are the cytopathic effect (CPE).
11) d) all the above options are correct because viroids, prions and satellite viruses are noncellular infectious agents smaller than viruses.
12) d: all the above are types of endocytosis.
13) b: retroviruses are an example of +RNA viruses that require Reverse transcriptase.
14) d: all the reactions are required for synthesis of carbohydrates, lipids, proteins, nucleic acids.Mainly Hydrolysis and dehydration are involved but here we cannot choose two options that's why we need to choose the all the options.
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