mutation
What will be an ideal response?
Any change in the structure of a chromosome or a DNA molecule, often resulting in a change of organismal structure or function
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Are phenotypically similar species always related? Explain why or why not.
What will be an ideal response?
Anthrax is a bacterium that:
A) lies dormant in a spore and is released when exposed to the optimal temperature and moisture. B) is generally not responsive to antibiotic therapy, even if the therapy is begun immediately. C) is highly communicable and would most likely be disseminated by a terrorist via a liquid medium. D) results in death more than 90% of the time, regardless of how the bacterium enters a person's body.
Ancient Chinese medicine practices included:
a. molds to prevent and treat disease. b. pus-soaked rags placed in the nose to develop immunity. c. use of gold-salts for rheumatic conditions. d. A, B, and C. e. A and B.
Which is the largest part of the brain?
A. midbrain B. cerebellum C. medulla oblongata D. diencephalon E. cerebrum