The process during which a population of organisms changes over many generations to become better adapted to its environment is
Answer: evolution
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The mitotic stage in which the chromosomes condense, nuclei disappear, and the mitotic spindle begins to form is known as:
A. prophase. B. metaphase. C. anaphase. D. telophase. E. interphase.
A protein similar to the human Rh blood factor (which is due to a specific set of genes) can be found in many animals. In which of the following is it least likely to be found?
A) chimpanzees B) goats C) dogs D) parrots
The FtsZ protein is present in prokaryotes and in chloroplasts. The protein is structurally and functionally similar to tubulin proteins of eukaryotic cells. Which of the following is a likely conclusion to draw from this information?
(A) FtsZ and tubulin proteins were both present in a common ancestor. (B) Microtubules are involved in the mechanics of photosynthesis. (C) Tubulin genes are evolutionarily derived from the gene that codes for the FtsZ protein. (D) The sequences of the genes encoding the FtsZ and tubulin proteins are identical.
Which of the following antifungals works by binding to ergosterol in membranes?
A) fluconazole B) turbinafine C) amphotericin B D) nystatin E) both amphotericin B and nystatin