Nitrogen deficiency usually causes plant leaves to turn ___________
Fill in the blank(s) with the appropriate word(s).
Answer: yellow
Biology & Microbiology
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Which of the following describes when a species that is not divided by any geographic barrier evolves into separate species within the same location?
a. gene flow b. founder effect c. sympatric speciation d. allopatric speciation
Biology & Microbiology
The first antibiotic to be utilized was
A) vancomycin. B) quinine. C) penicillin. D) salvarsan. E) sulfonamides.
Biology & Microbiology
A permanent, inheritable change in the genetic information is called a(n)
A. translation. B. alteration. C. mutation. D. regeneration. E. transcription.
Biology & Microbiology
Upon observing the 12 types of finches he encountered on the Galápagos Islands, Charles Darwin knew immediately that they were closely related.
a. true b. false
Biology & Microbiology