Mitotic cells do not divide regularly but can be stimulated to divide when necessary.

a. true
b. false


b. false

Biology & Microbiology

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All of the following pertain to tuberculosis except

A. symptoms of active TB include low-grade fever, coughing, fatigue, weight loss, and night sweats. B. live bacilli can remain dormant in the lungs and reactivate later in life. C. antimicrobials cannot treat and cure tuberculosis. D. lung infection can disseminate to many other organs in extrapulmonary TB. E. the BCG vaccine is used in other countries.

Biology & Microbiology

The sequence of membrane proteins of the electron transport chain includes three transport proteins and other electron transport proteins. As the electrons from the electron carrier molecules move through the proteins, work is done. The electron transport chain produces a(n) concentration gradient.

A. NADH B. ATP C. oxygen D. proton E. electron

Biology & Microbiology

Interpret the meaning of an H2 (broad-sense heritability) value that approaches 0.0

What will be an ideal response?

Biology & Microbiology

Caudal-fold tuberculin test (CFT): an intradermal infection of 0.1 mL of USDA purified protein derivative (PPD) tuberculin into either side of the caudal fold with reading by visual observation and palpation. The PPD extract is from

A. Mycobacterium tuberculosis B. mycobacterium bovis C. mycobacteirum avium subsp. paratuberculosis D. either mycobacterium tuberculosis or mycobacterium bovis

Biology & Microbiology