A flexible, spiral-shaped bacterium is called a
A) spirochete.
B) vibrio.
C) coccobacillus.
D) spirillum.
E) sarcina.
A
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What is bioprospecting?
A. An exploration of nature in the search for potentially useful organisms or their products. B. A search for unknown organisms that may become serious pathogens to humans. C. A search for unknown organisms that may become serious pathogens to farm animals. D. Use of microorganisms to locate and extract valuable minerals from deep underground.
Rubulavirus falls under which group of the ICTV nomenclature system?
A. Subfamily B. Order C. Family D. Genus
What is the difference between Ras and the G proteins bound to G protein-coupled receptors (GPCRs)?
A. Ras is a second messenger, and the G proteins bound to GPCRs are not second messengers. B. Ras is an enzyme, and the G proteins bound to GPCRs are not enzymes. C. Ras can activate different effector molecules, and the G proteins bound to GPCRs cannot activate different effector molecules. D. Ras is a small G protein, and the G proteins bound to GPCRs are not small G proteins.
Which of these lines represents the pattern of change in mass over that time?
A) A B) B C) C