The three most common shapes of bacteria are:
a. Star-shaped, cubical, and spherical
b. Spherical, rod-shaped, and spiral
c. Cubical, spiral, and thread-like
d. Rod-shaped, star-shaped, and cubical
e. Cubical, spherical, and rod-shaped
Answer: b. Spherical, rod-shaped, and spiral
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Bone mass typically increases until we turn
a. 10. b. 15. c. 25. d. 35. e. 45
Fats that stay liquid at room temperature are ____
a. animal fats b. unsaturated c. transfatty acids d. phospholipids e. cholesterol
The overall reaction for the aerobic respiration of glucose is summarized as:
a. C6H12O6 + 6 O2 + 6 H2O ? 6 CO2 + 12 H2O + Energy. b. C4H12O4 + 12 H2O + 6 CO2 ? 6 O2 + ATP + Energy. c. C4H12O4 + 6 O2 + 6 H2O ? 6 CO2 + ATP + Energy. d. C4H12O2 + 6 O2 + ATP ? 6 CO2 + 12 H2O + Energy. e. C6H12O6 + 6 H2O ? 6 CO2 + 12 H2 + Energy
The work of Lister, Nightingale, and Semmelweis all contributed to controlling infectious disease by
A) developing techniques for isolating pathogens. B) developing methods for reducing healthcare-associated infections (HAIs). C) identifying the sources of infectious agents. D) determining the taxonomic relationships among microbes. E) developing vaccines.