The retroviruses, including HIV, are unique because they use

A) replication.
B) reverse transcription.
C) splicing.
D) reverse translation.
E) posttranslational modification.


B) reverse transcription.

The retroviruses, including HIV, are unique because they use reverse transcription.

Biology & Microbiology

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Though reptiles are generally described as tetrapods, some are limbless like the garter snake shown in this photo. Under which order are the limbless reptiles, as well as the lizards, classified?


a. Spenodontia
b. Crocodilia
c. Squamata
d. Testudines

Biology & Microbiology

The seriousness of Coccidioides infection can be attributed to the formation and rupture of spherules.

Answer the following statement true (T) or false (F)

Biology & Microbiology

The type of viral infection in which a virus enters a host cell, immediately replicates, and causes the host cell to burst is

A. a rare form of viral infection. B. a transgenic infection. C. a lysogenic infection. D. a lytic infection. E. a systematic infection.

Biology & Microbiology

In plants, xylem is associated with the transportation of:

a. water and minerals. b. food. c. nutrients. d. water and food. e. dissolved sugars.

Biology & Microbiology