Transgenic viruses are
a. highly deadly viruses that cause diseases.
b. mutated viruses that evade antibodies.
c. harmless genetically engineered viruses.
d. variations on original virus forms.
e. viruses that do not impart immunity.
C
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Ultimately, the carbon molecules in pyruvate end up as what molecule?
a. CO2 b. acetate c. ATP d. CoA e. NADH
The ____ system is physically the outermost system in vertebrates
a. endocrine b. integumentary c. lymphatic d. skeletal e. urinary
A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n)
A) obligate aerobe. B) facultative anaerobe. C) aerotolerant anaerobe. D) microaerophile. E) obligate anaerobe.
In step 4 of the citric acid cycle, the reduction of NAD+ to NADH is coupled to the generation of CO2 and the formation of a high-energy thioester bond. The energy of the thioester bond is harnessed in step 5. What is the energy used for?
(a) to generate a molecule of GTP (b) to generate a molecule of ATP (c) to generate a proton gradient (d) to generate a molecule of NADH