Which of the following is NOT a monophyletic group?
A) Turtles and lizards
B) You, your parents, and your siblings
C) The family Semionotidae, which includes fish that may not share a common ancestor
D) The class Mammalia, which includes all mammals
E) The kingdom Animalia, which includes all animals
C
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Flagella occur in both prokaryotes and eukaryotes. Which of the following statements DOES NOT describe how the flagella of prokaryotes and eukaryotes differ?
A. Eukaryotic flagella have microtubules in a cytoskeleton whereas prokaryotic ones do not. B. Eukaryotic flagella have the motor protein dynein whereas the prokaryotic one does not. C. The eukaryotic flagellum is covered by the plasma membrane whereas that of the prokaryotes is not. D. Prokaryotic flagella have a basal apparatus and hook that rotates the filament whereas eukaryotic flagella do not. E. The filament of eukaryotes is multilayered whereas that of prokaryotes is a single strand.
What are at least 3 adaptations of salt marsh plants for withstanding salty conditions?
What will be an ideal response?
Transgenic plants produced by biotechnology contain fewer introduced genes than altered plants
obtained by traditional breeding methods. Indicate whether the statement is true or false.
Of the following, which is the LEAST likely to be involved in Cell Mediated Immunity (CMI)?
A. Antibodies B. Cytokines C. Macrophages D. T lymphocytes