Which statement most accurately describes the evolutionary relationships among the three domains?
A. Bacteria and Eukarya diverged from a common ancestor more recently than they diverged from their common ancestor with Archaea.
B. Bacteria and Archaea diverged from a common ancestor more recently than they diverged from their common ancestor with Eukarya.
C. All three domains diverged from a common ancestor at the same time.
D. Eukarya and Archaea diverged from a common ancestor more recently than they diverged from their common ancestor with Bacteria.
Answer: D
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Which of the following is the correct sequence of events during mitosis?
A. Sister chromatids split, nuclear membrane dissolves, nuclear membrane forms, chromosomes line up B. Nuclear membrane dissolves, chromosomes line up, sister chromatids split, nuclear membrane forms C. Nuclear membrane forms, chromosomes line up, sister chromatids split, nuclear membrane dissolves D. Chromosomes line up, nuclear membrane forms, nuclear membrane dissolves, sister chromatids split
Which one of the following statements correctly describes activities of muscles?
A) All muscles produce movement. B) All muscles shorten when they contract. C) All muscles are under conscious control. D) All muscles are attached to bones. E) All muscles are synergistic.
Which is incorrect about Yersinia pestis?
What will be an ideal response?
In the Fite method, the organisms stain:
a) red b) blue c) green d) black