Bacteria that have a spherical shape are called ________.
A. coccus
B. bacillus
C. spheroid
D. spirillum
Answer: A
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Which organism causes malaria?
a. apicomplexa b. ciliate c. dinoflagellate d. foraminifera e. radiolaria
What drives the movement of carbon dioxide from tissue into the bloodstream?
A. active transport against a concentration gradient B. facilitated diffusion down a concentration gradient C. simple diffusion down a concentration gradient D. facilitated diffusion against a concentration gradient E. the heart pumping the carbon dioxide into the bloodstream
When the body has been exposed to exotoxins
A. It will respond with toxoids B. It will produce antitoxins C. It will develop endotoxin shock D. It will produce hydrolytic enzymes like hemolysins or phospholipases E. It will lose the ability to respond to sensations
Which of the following is not important for classifying HIV as a retrovirus?
A. RNA genome B. an envelope obtained from the host C. integration into the host genome D. reverse transcriptase E. the production of viral DNA