The specific process by which a swimming tadpole transforms into an adult frog with distinct limbs is called

A. epigenesis.
B. cellular dedifferentiation.
C. gastrulation.
D. involution.
E. metamorphosis.


E. metamorphosis.

Biology & Microbiology

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Nearly half of mammal species are ________

a. bats b. rodents c. marsupials d. aquatic

Biology & Microbiology

Which of the following enzymes unwinds the DNA helix during replication in E. coli?

A. primase B. DNA Pol I C. gyrase D. helicase E. SSB

Biology & Microbiology

Characteristics that strongly indicate the presence of pigmented Prevotella or Porphyromonas in a clinical specimen include:

a. yellow-green fluorescence. b. rhizoid margins resembling a "Medusa head" on anaerobic blood agar. c. brick-red fluorescence under long-wavelength ultraviolet (UV) light. d. chartreuse fluorescens.

Biology & Microbiology

Imagine that you have been shrunk to microscopic size and are sitting on top of a thylakoid disk. Which of the following are contained within the structure upon which you sit?

-photosystems -antenna complexes -ETCs -phospholipids -all of the above

Biology & Microbiology