Which structure forms the main stem of Chara?

a. rhizoids
b. stipulodes
c. thallus
d. cortex


c. thallus

Biology & Microbiology

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Infectious processes that quickly develop are referred to as _________ infections

a. chronic b. latent c. acute d. nosocomial

Biology & Microbiology

The very young and the elderly are more susceptible to infectious disease

Indicate whether this statement is true or false.

Biology & Microbiology

The only reptiles that have four-chambered hearts, like mammals do, are the ________

a. tuataras b. lizards c. crocodilians d. tortoises

Biology & Microbiology

The antiviral drugs currently approved for use in HIV disease include ________.

A. protease inhibitors B. nonnucleoside reverse transcriptase inhibitors C. fusion inhibitors D. nucleoside reverse transcriptase inhibitors E. All of the choices are correct.

Biology & Microbiology