Answer the question using the accompanying figure. The atomic number of the atom depicted in the figure is ____

a. 4
b. 6
c. 8
d. 12
e. 18


ANSWER: b

Biology & Microbiology

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If all conditions of Hardy–Weinberg equilibrium are met,

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In the disease myasthenia gravis, there is a deficiency of acetylcholine receptors at the neuromuscular junction. This blocks contraction by preventing muscle activation at which point?

A. generation of action potentials in the motor neuron B. opening of the T-tubule system C. release of Ca2+ from the sarcoplasmic reticulum D. altering the interaction of troponin with tropomyosin E. generation of action potentials in the muscle fiber

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You're treating a patient who experienced a fracture to her appendicular skeleton. Which bone would need to be treated?

A) skull B) vertebral column C) sternum D) tibia

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Which of the following might be missed if viable counts are done on food and/or water specimens?

A. Pathogenic bacteria B. Aerobic bacteria C. Viable but nonculturable cells D. Endospores

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