_______________ is the most common cause of pneumonia in the world.

A) Chlamydophila pneumoniae
B) Legionella pneumophila
C) Mycoplasma pneumoniae
D) Streptococcus pneumoniae


D) Streptococcus pneumoniae

Biology & Microbiology

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You are trying to find the best maximum source of energy for an organism. Which of the following compounds would you choose?

A. glucose B. oxygen C. ATP D. pyruvate E. NADH

Biology & Microbiology

A structure found in cells of all three domains, prokaryotes and eukaryotes, is the

A. cilium. B. ribosome. C. cell wall. D. mitochondria. E. chloroplast.

Biology & Microbiology

The ancestors of modern ________ performed the oxygenic photosynthesis responsible for converting our anoxic planet to an oxygenated one.

A. Firmicutes B. Cyanobacteria C. Crenarchaeota D. Proteobacteria

Biology & Microbiology

Which of the following is an example of a female mating with a male only after submitting him to a courtship ritual?

a. A female frigate bird is attracted to the male with the brightest red chest feathers. b. A female black widow will only mate with a male that will mate guard her. c. A female arctic squirrel will mate with the male that controls the best territory. d. A female moth will mate with the same male for 24 hours. e. A female bowerbird will mate with a male only after inspecting the small thatched structure he has built for her.

Biology & Microbiology