Mycobacterium tuberculosis
A. lives in the soil.
B. can survive for 8 months in fine aerosol particles.
C. has a capsule.
D. integrates its genome into host cell DNA.
E. produces several virulence factor enzymes and an exotoxin.
Answer: B
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In the Gibbs free-energy relationship, why is the T term necessary?
A) The free-energy change caused by a change in entropy is a function of temperature. B) The free-energy change caused by a change in potential energy is a function of temperature. C) The free-energy change caused by a change in electrical charge is a function of temperature.
Which muscle assists in pushing movements of the arm?
a. serratus anterior b. external oblique c. rectus abdominis d. latissimus dorsi e. trapezius
Synathroses
What will be an ideal response?
The _________ zone is the upper region of the ocean where the sun's rays penetrate.
A. benthic B. euphotic C. abyssal D. littoral