d) None of the above 32-True or False Prions are infectious agents that consist
ID: 273133 • Letter: D
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d) None of the above 32-True or False Prions are infectious agents that consist of only RNA. 33-True or False An acute infection tends to be localized, short in duration and often checked by the host's immune system 34-True or False A naked phage can enter by both endocytosis and entry following membrane fusion method. 35-These proteins on enveloped viruses aid in the process of entry a) Actin b) collagen c) tubulin d) capsomeres e) none of the above 36-Filamentous phages a) always kill the host cell b) are long thin fiber- like phages that can multiply inside the host without killing the host allowing the host to also multiply c) contain only RNA d) none of the above 37-An example of a single stranded DNA lytic phage is a) M13 phage c) T4 phage d) Lambda phage 38-True or False B cells produce antibodies 39- The vector responsible for transmitting the protozoan Trypanosoma is a) Housefly b) Louse c) Tse- Tse fly d) Mite 40- Enzymes found in saliva that break down bacterial cell all are known as a) Defensins b) Lactoferrins c) Transferrins d) Lysozyme 41- A form of transduction in which any random piece of genome can be transferred by a virus from one bacterial cell to another is called a) Specialized b) Generalized ps://bbhosted.cuny.edu/bbcswebdav/pid-34672890-dt-con: /course s/MEC01-BIO-261-060.1 1 82.1/practice%20exam%202.docExplanation / Answer
32. the given statement is "False"
because, Prions are the infectious agents that do not consist of RNA but consist of only protein. so Prions are also called "infectious protein particles".
33. the given statement is "True".
because the acute infection is a localized infection, will last for short duration generally. often, the acute infections are treated by the host's immune system.
34. the given statement is "True".
because, the naked phage enters by both endocytosis followed by membrane fusion.
naked virion enters by endocytosis. then by membrane fusion.
35. microtubules are the structures that are required for the entry of viruses into the host cells. these microtubules are made of "tubulin" proteins.
thus option "C" is the correct answer.
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