Although Rabies virus can propagate in nerve cells of the peripheral nervous sys

Question

Although Rabies virus can propagate in nerve cells of the peripheral nervous system, it is unable to infect nerve cells in the central nervous system. a- true b- false

the gene that is most commonly used to determine the relationships among bacteria: a-DNA polymerase b-RNA polymerase c-16 s rRNA d- DNA ligase e- Chlorophyll a/b binding protein which enzyme below is required for lagging strand DNA synthesis but not leading strand synthesis? a- DNA ligase b-DNA polymerase c- primase d- Che Y E- cytochrome C

Explanation / Answer

1. The statement is false; the rabies virus readily infects and propagates in the neurons of central nervous system. Comparatively, the rabies virus infects and propagates much more in the neurons of central nervous system than in the peripheral nervous system.

2. The correct option is c; 16S rRNA is highly conserved and little variations in its sequence are present across bacterial taxa. Therefore, it serves as an excellent candidate for inferring evolutionary relationship among bacteria.

3. The correct option is a; DNA ligase is required for sealing of the gaps between Okazaki fragments, which occur only on the lagging strand.

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